7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2016-12-31 2015-12-31 2013-12-31 2013-09-30 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 
      
    		                                                                       
      cash flows from operating activities:
    		                                                                       
      net income
    		240,433,000 225,692,000 217,906,000 178,791,000 255,892,000 159,451,000 154,543,000 109,528,000 85,362,000 201,971,000 100,554,000 102,578,000 99,763,000 69,152,000 188,306,000 48,904,000 47,798,000 152,667,000 -11,745,000 106,186,000 22,677,000 23,117,000 -127,933,000 67,557,000 21,765,000 31,973,000 25,989,000 57,153,000 16,144,000 -57,391,000 31,545,000 5,262,000 31,017,000 -19,162,000 21,528,000 -52,586,000   -22,651,000 -29,169,000 -33,437,000 -29,910,000 -34,376,000 -83,854,000 -37,411,000 -43,610,000 -50,189,000 -29,430,000 -17,890,000 2,684,000 -16,423,000 -18,390,000 -14,634,000 -28,879,000 -17,534,000 -15,072,000 -16,394,000 -24,265,000 -24,340,000 -75,638,000 -9,205,000 -32,297,000 -14,444,000 -26,255,000 -21,713,000 -52,103,000 -47,922,000 -51,168,000 -30,840,000 -56,408,000 -33,755,000 
      adjustments to reconcile net income to net cash from operating activities:
    		                                                                       
      depreciation, accretion, and amortization
    		76,882,000 69,964,000 65,048,000 65,073,000 63,515,000 64,179,000 76,750,000 171,400,000 180,674,000 181,820,000 182,415,000 183,035,000 173,825,000 176,393,000 174,323,000 169,895,000 170,916,000 175,469,000 183,881,000 180,383,000 180,302,000 178,706,000 182,579,000 179,488,000 174,988,000 171,564,000 171,038,000 169,454,000 167,703,000 169,558,000 165,398,000 158,554,000 161,461,000 133,328,000 133,281,000                     41,650,000 40,293,000 39,893,000 39,014,000 33,173,000 21,008,000 22,258,000 21,673,000 21,644,000 21,643,000 28,698,000      
      (gain) loss on remeasurement of u.s. denominated intercompany loans
    		-37,847,000 -45,265,000 -54,641,000         -11,794,000   -109,644,000                                                         
      non-cash compensation expense
    		19,323,000 21,516,000 15,713,000 17,935,000 16,372,000 18,598,000 21,469,000 22,089,000 21,374,000 18,250,000 26,206,000 25,769,000 25,492,000 23,901,000 24,747,000 25,227,000 17,109,000 21,644,000 20,422,000 16,975,000 17,058,000 18,579,000 16,278,000 12,581,000 12,732,000 24,487,000 23,414,000 10,187,000 10,433,000 11,297,000 10,410,000 8,163,000 6,844,000 4,195,000 4,206,000 3,382,000 3,679,000 3,850,000 3,057,000 2,774,000 2,773,000 3,141,000 2,781,000 2,780,000 2,572,000 2,327,000 1,922,000 2,325,000 1,626,000 1,580,000 1,615,000 2,477,000 1,535,000 1,428,000 1,595,000 2,172,000 1,417,000 1,186,000 1,646,000 1,496,000 1,082,000 139,000 108,000 100,000 115,000 114,000 115,000 115,000 231,000 217,000 269,000 
      non-cash asset impairment and decommission costs
    		17,374,000 42,994,000 35,726,000 17,320,000 9,064,000 25,951,000 38,944,000 73,880,000 29,283,000 25,367,000 26,417,000 17,605,000 8,236,000 8,600,000 8,366,000 13,855,000 9,646,000 3,498,000 4,791,000 10,826,000 8,515,000 6,163,000 13,997,000 9,425,000 8,079,000 9,286,000 5,451,000 4,046,000 6,468,000 7,232,000 8,446,000 6,643,000 19,511,000 10,722,000 5,671,000                                     
      income from extinguishment of debt
    		   1,512,000 0 0 4,428,000         24,046,000 0 2,020,000 10,652,000 -1,625,000        0 0   18,189,000  335,000 4,000 2,007,000 22,643,000   0 0 0 1,696,000                             
      deferred and non-cash income tax provision
    		32,776,000 26,185,000 35,682,000    8,283,000    36,320,000                                                             
      loss on sale of assets
    		-2,000 -518,000 18,785,000                                              7,000                       
      other non-cash items reflected in the statements of operations
    		15,692,000 14,896,000 19,998,000 -33,046,000 16,878,000 15,336,000 16,661,000 -17,546,000 17,242,000 20,206,000 23,883,000 -45,271,000 19,051,000 19,066,000 16,896,000 -48,844,000 20,896,000 20,416,000 17,413,000 -25,721,000 11,825,000 3,748,000 13,127,000 4,542,000 8,240,000 1,952,000 4,647,000 -16,608,000 1,442,000 -716,000 1,296,000 -21,857,000 341,000 157,000 1,038,000 -845,000   -83,000 134,000 -11,000   44,000 -337,000                           
      changes in operating assets and liabilities, net of acquisitions:
    		                                                                       
      accounts receivable and costs and estimated earnings in excess of
    		                                                                       
      billings on uncompleted contracts
    		-16,517,000 -31,125,000 10,399,000 -35,171,000 -27,079,000 29,266,000 51,093,000 -14,287,000 9,107,000 40,463,000 9,103,000 -47,456,000 -25,817,000 1,734,000 -9,812,000  -12,953,000 11,105,000 -4,523,000  14,145,000 14,415,000 19,712,000      -7,483,000 8,026,000 -5,198,000                                         
      prepaid expenses and other assets
    		-10,967,000 1,076,000 -4,642,000 -2,482,000 -11,327,000 -4,949,000 -722,000 -11,997,000 -5,513,000 -13,753,000 -4,235,000 1,700,000 -16,641,000 -12,604,000 -2,201,000 -2,654,000 -22,994,000 -6,112,000 3,517,000 5,185,000 -4,550,000 3,622,000 -1,643,000 209,000 -3,246,000 4,045,000 -130,000 -9,979,000 -12,459,000 -6,325,000 -9,277,000 -10,406,000                                        
      operating lease right-of-use assets
    		33,657,000 30,373,000 33,080,000 26,112,000 31,025,000 35,351,000 34,694,000 29,804,000 36,084,000 37,774,000 37,452,000 30,702,000 35,591,000 35,498,000 33,682,000 27,604,000 29,722,000 27,130,000 29,865,000 21,465,000 28,911,000 29,378,000 30,181,000 25,147,000 21,281,000 23,121,000 24,116,000                                             
      accounts payable and accrued expenses
    		14,597,000 2,159,000 -8,537,000 2,174,000 16,799,000 -2,980,000 -20,395,000 -48,067,000 6,247,000 -15,600,000 -8,904,000 12,056,000 16,126,000 3,938,000 -7,002,000 -8,938,000 5,366,000 7,766,000 -4,667,000 7,501,000 1,579,000 8,818,000 -4,725,000 -3,430,000 -4,374,000 6,903,000 -5,050,000 -525,000 5,398,000 6,442,000 -14,336,000 -6,253,000 -3,763,000 -3,371,000 2,485,000 1,115,000 2,539,000 7,890,000 -3,293,000 2,824,000 2,687,000 -251,000 -1,446,000 -177,000 509,000 -4,211,000 2,407,000 3,315,000 -5,519,000 -6,732,000 5,189,000 658,000 -5,304,000 3,768,000 1,234,000 3,070,000 -4,427,000               
      accrued interest
    		-38,001,000 40,445,000 -26,941,000  -25,481,000 25,426,000 -24,783,000  -24,833,000 27,024,000 -25,958,000  -25,734,000 27,136,000 -25,384,000  -39,915,000 39,389,000 -27,347,000  -16,536,000 17,723,000 -18,197,000  -14,741,000 14,176,000 -13,663,000  -15,578,000 15,902,000 -15,137,000   4,514,000 -4,264,000 11,226,000 10,299,000 38,000 -7,681,000 3,258,000 -3,223,000 7,654,000 -7,631,000 7,618,000 -11,189,000                           
      long-term lease liabilities
    		-32,501,000 -32,035,000 -32,787,000 -32,140,000 -36,051,000 -35,968,000 -37,055,000 -34,884,000 -34,848,000 -34,492,000 -34,475,000 -33,379,000 -33,102,000 -31,952,000 -31,038,000 -29,407,000 -29,113,000 -28,379,000 -26,393,000 -25,648,000 -25,371,000 -25,116,000 -24,712,000 -23,487,000 -22,325,000 -22,080,000 -19,652,000                                             
      other liabilities
    		3,131,000 1,741,000 -23,614,000 -56,474,000 -10,187,000 15,847,000 -72,437,000 109,162,000 -51,810,000 77,817,000 -15,678,000 -54,643,000 25,732,000 -1,213,000 -3,019,000 -1,707,000 5,814,000 -3,530,000 30,218,000 -54,621,000 19,592,000 4,661,000 16,011,000 3,588,000 21,789,000 -19,854,000 1,104,000 13,243,000 2,690,000 5,983,000 1,665,000 11,625,000 11,804,000 14,316,000 22,942,000 18,722,000 7,430,000 12,184,000 6,054,000 988,000 2,884,000 188,000 -530,000 8,409,000 -3,770,000 4,025,000 -287,000 4,999,000 4,466,000 -3,000 6,996,000 3,993,000 -472,000 6,680,000 4,770,000 2,327,000 2,343,000 1,913,000 2,646,000 2,915,000 501,000 1,718,000 264,000 1,899,000 1,225,000 4,754,000 -208,000 -538,000 -901,000 2,020,000 471,000 
      net cash from operating activities
    		318,030,000 368,098,000 301,175,000 310,169,000 304,651,000 425,593,000 294,453,000 432,611,000 313,681,000 486,933,000 311,168,000 288,634,000 332,469,000 372,115,000 292,482,000 298,566,000 253,048,000 352,784,000 285,498,000 243,125,000 290,490,000 314,676,000 277,742,000 265,061,000 238,878,000 243,441,000 222,665,000 226,475,000 199,087,000 246,479,000 178,577,000 228,344,000 202,436,000 154,539,000 114,889,000 103,391,000 88,754,000 82,729,000 66,040,000 62,631,000 63,443,000 69,787,000 53,197,000 60,717,000 37,418,000 52,757,000 62,355,000 58,162,000 49,284,000 39,587,000 53,998,000 45,366,000 34,745,000 40,770,000 28,884,000 26,732,000 26,548,000 35,531,000 13,119,000 12,098,000 15,212,000 13,624,000 18,379,000 1,766,000 15,998,000 155,000 2,485,000 -9,512,000 -12,694,000 -2,781,000 -4,821,000 
      cash flows from investing activities:
    		                                                                       
      acquisitions
    		-11,805,000 -589,222,000 -63,388,000 -31,402,000 -207,387,000 -41,617,000 -19,405,000 -37,110,000 -53,114,000 -19,808,000 -19,929,000 -757,371,000 -65,143,000 -138,397,000 -215,181,000 -69,950,000 -57,903,000 -77,175,000 -1,052,676,000 -71,519,000 -80,864,000 -29,504,000 -89,531,000 -490,256,000 -132,519,000 -95,895,000 -55,287,000 -47,994,000 -118,472,000 -167,741,000 -117,622,000 -85,433,000 -200,819,000                                       
      capital expenditures
    		-60,053,000 -55,865,000 -46,173,000 -55,549,000 -64,756,000 -49,973,000 -57,871,000 -62,722,000 -61,393,000 -63,448,000 -49,135,000 -66,095,000 -57,377,000 -52,963,000 -38,008,000 -43,287,000 -35,032,000 -30,839,000 -24,536,000 -33,195,000 -28,392,000 -27,688,000 -39,291,000 -42,855,000 -38,596,000 -36,411,000 -36,374,000 -44,846,000 -36,352,000 -37,518,000 -31,096,000 -35,662,000 -46,396,000 -65,520,000 -33,171,000 -38,804,000 -26,174,000 -23,435,000 -24,852,000 -30,232,000 -40,969,000 -35,582,000 -20,155,000 -15,337,000 -12,161,000 -12,637,000 -12,473,000 -14,071,000 -7,562,000 -9,443,000 -9,948,000 -8,413,000 -8,362,000 -7,725,000 -6,768,000 -7,507,000 -5,771,000 -9,430,000 -6,877,000 -7,037,000 -5,625,000 -6,241,000 -6,212,000 -4,065,000 -3,130,000 -2,604,000 -1,994,000 -2,925,000 -3,121,000 -2,957,000 -6,133,000 
      free cash flows
    		257,977,000 312,233,000 255,002,000 254,620,000 239,895,000 375,620,000 236,582,000 369,889,000 252,288,000 423,485,000 262,033,000 222,539,000 275,092,000 319,152,000 254,474,000 255,279,000 218,016,000 321,945,000 260,962,000 209,930,000 262,098,000 286,988,000 238,451,000 222,206,000 200,282,000 207,030,000 186,291,000 181,629,000 162,735,000 208,961,000 147,481,000 192,682,000 156,040,000 89,019,000 81,718,000 64,587,000 62,580,000 59,294,000 41,188,000 32,399,000 22,474,000 34,205,000 33,042,000 45,380,000 25,257,000 40,120,000 49,882,000 44,091,000 41,722,000 30,144,000 44,050,000 36,953,000 26,383,000 33,045,000 22,116,000 19,225,000 20,777,000 26,101,000 6,242,000 5,061,000 9,587,000 7,383,000 12,167,000 -2,299,000 12,868,000 -2,449,000 491,000 -12,437,000 -15,815,000 -5,738,000 -10,954,000 
      purchase of investments
    		-223,697,000 -205,931,000 -228,376,000 -596,055,000 -523,420,000 -369,369,000 -311,839,000 -333,883,000 -377,833,000 -413,939,000 -213,371,000 -375,200,000 -224,957,000 -251,231,000 -30,393,000 -975,581,000 -354,000 -163,000 -755,013,000 -438,000 -153,241,000 -525,014,000 -610,012,000 -110,048,000 -243,316,000 -135,546,000 -150,053,000 -57,160,000           -1,198,000 -1,180,000 -4,170,000                               
      proceeds from sale of investments
    		224,097,000 270,000,000 415,840,000 357,500,000 527,600,000 340,650,000 311,000,000 333,351,000 398,202,000 393,798,000 213,003,000 395,303,000 240,213,000 212,408,000 30,214,000 975,197,000 217,000 63,000 755,000,000 4,206,000 325,000,000 300,000,000 610,000,000 110,250,000 260,000,000 105,000,000 150,557,000 55,000,000                                            
      repayment (funding) of loan to unconsolidated joint venture
    		0 0 115,000,000                                                                     
      proceeds from sale of assets
    		95,000 41,000 40,428,000                                                                     
      other investing activities
    		-6,949,000 15,000 4,935,000 7,716,000 -5,939,000 -899,000 -7,195,000 94,488,000 -9,392,000 -8,188,000 -77,329,000 1,020,000 1,648,000 369,000 -2,513,000 -31,817,000 4,000 -56,000 641,000 7,958,000 -1,911,000 248,000 -3,178,000 817,000 -5,160,000 -7,647,000 6,181,000 -3,030,000 8,595,000 -13,299,000 -2,879,000 -7,639,000 -10,303,000 2,114,000 747,000 -1,088,000 -867,000                                   
      net cash from investing activities
    		-78,312,000 -580,962,000 238,266,000 -328,890,000 -273,902,000 -121,208,000 -85,310,000 -106,370,000 -103,530,000 -111,585,000 -146,761,000 -802,343,000 -105,616,000 -229,814,000 -255,881,000 -145,438,000 -93,068,000 -108,170,000 -1,076,584,000 -92,988,000 60,592,000 -281,958,000 -132,012,000 -532,092,000 -159,591,000 -170,499,000 -84,976,000 -98,030,000 -150,162,000 -218,558,000 -151,597,000 -128,022,000 -167,790,000 -375,744,000 -124,070,000 -1,309,858,000 35,661,000 -924,964,000 -75,890,000 -200,638,000 -86,669,000 -111,833,000 -108,748,000 -98,291,000 -72,752,000 -140,777,000 -39,580,000 -43,247,000 -5,471,000 -251,494,000 -45,952,000 -264,662,000 -18,441,000 -9,959,000 -81,076,000 -153,042,000 -57,807,000 -24,805,000 -37,313,000 -667,233,000 -10,525,000 -48,316,000 -28,372,000 -9,595,000 -13,000,000 1,365,000 -1,666,000 13,727,000 30,839,000 119,326,000 -8,436,000 
      cash flows from financing activities:
    		                                                                       
      borrowings under revolving credit facility
    		295,000,000   0 175,000,000 70,000,000 125,000,000 0 50,000,000 0 140,000,000 645,000,000 0 0 330,000,000 1,125,000,000 0 100,000,000 710,000,000 380,000,000 0 15,000,000 500,000,000 490,000,000 175,000,000   315,000,000 260,000,000 280,000,000 265,000,000 290,000,000 0 215,000,000 0 100,000,000 0   0 0                               
      repayments under revolving credit facility
    		   -160,000,000 -135,000,000 -145,000,000 -110,000,000 -190,000,000 -130,000,000 -225,000,000 -185,000,000 -335,000,000 -120,000,000   -775,000,000 -85,000,000 -605,000,000 -500,000,000 0 0 -500,000,000 -505,000,000 0 -255,000,000 -120,000,000 -215,000,000 -110,000,000 -225,000,000 -430,000,000 -70,000,000 -50,000,000 -280,000,000 0 0 0                                    
      proceeds from issuance of term loans, net of fees
    		   5,750,000 0 -10,000 2,274,825,000                                                                 
      repayment of term loans
    		-11,500,000 0 -5,750,000 -12,744,000 -5,750,000 -5,750,000 -2,268,000,000                 -6,000,000 -6,000,000   -6,000,000 -6,000,000 -1,930,000,000 -5,000,000 -5,000,000 -165,000,000 -2,500,000 -2,500,000                                     
      repayment of tower securities
    		0 0 -1,165,000,000             -575,000,000 0   0    0    0 0 0 -755,000,000                                         
      repurchase and retirement of common stock
    		-150,835,000   0 0 -93,862,000 -106,157,000 -46,358,000    0 0 1,000 -431,667,000 -298,235,000 -115,421,000 1,000 -168,923,000 -480,347,000 -175,658,000 0 -203,330,000 -199,448,000 -172,962,000   -342,042,000 -108,015,000 -306,979,000 -38,545,000         -1,000 -75,000,000 -75,035,000 -75,036,000 -88,400,000 -8,681,000 -1,720,000 0   0 0   0 0 0 -91,236,000               
      payment of dividends on common stock
    		-119,140,000 -119,365,000 -122,275,000 -105,383,000 -105,344,000 -105,329,000 -108,135,000 -91,759,000 -92,131,000 -92,137,000 -93,933,000 -76,664,000 -76,664,000 -76,565,000 -76,873,000 -63,124,000 -63,563,000 -63,481,000 -63,412,000 -51,490,000 -52,028,000 -51,970,000 -52,201,000 -41,514,000                                                
      proceeds from employee stock purchase/stock option plans
    		2,607,000 12,882,000 36,002,000 8,842,000 5,842,000 4,211,000 17,091,000 23,138,000 1,750,000 7,366,000 11,942,000 4,558,000 13,505,000 9,404,000 10,836,000    10,838,000    38,869,000 3,293,000 24,988,000 24,446,000 63,475,000       38,000 4,062,000 10,207,000 7,341,000 7,841,000 5,763,000 7,551,000 1,904,000 1,427,000 4,919,000 1,928,000 4,825,000 4,077,000 1,159,000 444,000 1,365,000 556,000 1,123,000 3,123,000 1,701,000 1,071,000 936,000 3,364,000 2,379,000               
      payments related to taxes on stock options and restricted stock units
    		-180,000 -407,000 -24,288,000 -614,000 -126,000 -261,000 -17,800,000 -9,000 -95,000 -719,000 -26,658,000 -53,000 -283,000 -394,000 -9,228,000        -44,488,000                                                 
      other financing activities
    		-754,000 -692,000 -824,000 11,872,000 -535,000 -522,000 1,764,000 -6,566,000 -6,648,000 -3,670,000 -7,079,000 -7,132,000 -6,622,000 -6,700,000 25,182,000 8,334,000 -9,591,000 -5,067,000 -6,507,000 17,450,000 -6,529,000 -6,441,000 -6,558,000 -486,000 -307,000 5,710,000 -6,522,000 25,753,000 21,120,000 2,741,000 5,746,000 687,000 16,348,000 480,000  -77,000                                    
      net cash from financing activities
    		-79,802,000 -158,278,000 -1,282,135,000 1,179,590,000 -65,913,000 -276,523,000 -191,412,000 -311,554,000 -230,776,000 -314,160,000 -160,728,000 430,594,000 -190,064,000 -224,254,000 -151,750,000 30,652,000 -236,782,000 -155,949,000 701,343,000 -154,767,000 -262,129,000 -8,786,000 -43,335,000 245,267,000 -43,118,000 -106,416,000 -158,047,000 -117,348,000 -57,906,000 -7,332,000 34,049,000 -108,026,000 10,424,000 157,341,000 8,512,000 -2,693,000 1,228,873,000 402,141,000 488,091,000 5,974,000 -75,019,000 224,691,000 86,401,000 147,239,000 -7,709,000 -36,506,000 88,839,000 69,530,000 -32,885,000 -148,392,000 223,839,000 299,583,000 40,407,000 -3,900,000 -1,981,000 4,360,000 204,595,000 -4,993,000 3,013,000 656,857,000 9,253,000 57,149,000 12,348,000 9,934,000 -53,608,000 47,111,000 10,007,000 -31,162,000 -4,900,000 -142,362,000 -27,000 
      effect of exchange rate changes on cash, cash equivalents, and restricted cash
    		4,955,000 7,559,000 6,143,000 -11,704,000 3,512,000 -9,050,000 -4,345,000 4,175,000 -2,800,000 1,139,000 220,000 -7,476,000 -7,893,000 -3,507,000 15,961,000 -2,553,000 -7,609,000 7,960,000 -10,880,000 11,465,000 -4,618,000 -1,909,000 -13,900,000 4,204,000 -4,301,000 16,415,000 -14,071,000 3,879,000 -4,058,000 -9,046,000 -504,000                                         
      net change in cash, cash equivalents, and restricted cash
    		164,871,000 -363,583,000 -736,551,000 1,149,165,000 -31,652,000 18,812,000 13,386,000 18,862,000 -23,425,000 62,327,000 3,899,000 -90,591,000 28,896,000 -85,460,000 -99,188,000 181,227,000 -84,411,000 96,625,000 -100,623,000 6,835,000 84,335,000 22,023,000 88,495,000 -17,560,000 31,868,000 -17,059,000 -34,429,000 14,976,000 -13,039,000 11,543,000 60,525,000                                         
      cash, cash equivalents, and restricted cash:
    		                                                                       
      beginning of period
    		0 0 1,400,657,000  0 0 250,946,000  0 0 189,283,000  0 0 435,626,000  0 0 342,808,000  0 0 141,120,000  0 0 178,300,000  0 0 104,295,000    0  0 0 47,316,000  0 0 64,254,000 0 161,317,000  0 0 78,856,000 0 0 0 70,272,000 0 0 0 46,148,000 0 0 0 45,934,000 0 0 0 69,627,000 0 8,338,000  0 0 61,141,000 
      end of period
    		164,871,000 -363,583,000 664,106,000  -31,652,000 18,812,000 264,332,000  -23,425,000 62,327,000 193,182,000  28,896,000 -85,460,000 336,438,000  -84,411,000 96,625,000 242,185,000  84,335,000 22,023,000 229,615,000  31,868,000 -17,059,000 143,871,000  -13,039,000 11,543,000 164,820,000    -33,000  1,354,306,000 -438,815,000 525,554,000  -98,444,000 182,645,000 95,104,000 109,665,000 118,274,000  111,614,000 84,445,000 89,784,000 -360,299,000 231,885,000 80,287,000 126,983,000 26,911,000 -54,173,000 -121,950,000 219,484,000 5,733,000 -21,181,000 1,722,000 59,874,000 22,457,000 2,355,000 2,105,000 19,017,000 48,631,000 19,164,000  13,245,000 -25,817,000 47,857,000 
      gain on remeasurement of u.s. denominated intercompany loans
    		   116,941,000 -24,948,000 101,494,000 42,980,000  46,516,000 -43,336,000 -41,932,000                                                             
      deferred income tax (benefit) expense
    		                   29,917,000 -15,397,000 -5,503,000 -72,204,000           -3,972,000 -1,274,000                                     
      non-cash interest expense
    		                                454,000 9,934,000 9,642,000 17,829,000 17,874,000 17,416,000 16,991,000 16,534,000 16,089,000 15,613,000 15,393,000 14,780,000 14,867,000 14,470,000 14,035,000 12,417,000 8,975,000                       
      amortization of deferred financing fees
    		                     5,189,000 5,139,000     5,024,000 4,980,000 4,897,000 5,388,000 5,101,000 5,181,000 4,052,000 3,981,000 3,577,000 3,199,000 3,661,000 2,433,000 2,407,000 2,381,000 2,201,000 2,199,000 2,214,000 2,492,000 2,465,000 2,603,000 2,812,000 2,576,000  3,254,000 2,916,000 2,489,000                   
      loan to unconsolidated joint venture
    		                                                                       
      proceeds from issuance of tower securities, net of fees
    		               1,771,568,000 -194,000   -108,000    -578,000    -13,000 -11,000 -358,000 631,848,000                                         
      beginning of year
    		                                                                       
      end of year
    		                                                                       
      deferred and non-cash income tax benefit
    		        -1,204,000                                                               
      deferred income tax expense
    		                        -8,834,000 11,352,000 3,470,000         -96,000 64,000 1,375,000 17,000                                 
      proceeds from issuance of senior notes, net of fees
    		               -139,000 0 -158,000 1,485,670,000 -38,000 -684,000 491,690,000 988,516,000                                                 
      repayment of senior notes
    		               -1,113,409,000 0 0 -757,500,000 0 0 0 -759,143,000                                                 
      termination of interest rate swap
    		                   0                                                    
      deferred income tax provision
    		            -7,480,000 -11,250,000 34,262,000                                                         
      accounts receivable and costs and estimated earnings in excess of billings on
    		                                                                       
      uncompleted contracts
    		                                                                       
      payments related to taxes on net settlement of stock options and restricted stock units
    		                  -8,823,000                                                     
      loss on remeasurement of u.s. dollar denominated intercompany loans
    		                  86,251,000    230,132,000                                                 
      deferred income tax benefit
    		                  -26,837,000          -6,514,000           -651,000 -511,000     -165,000                          
      proceeds from employee stock purchase/stock option plans, net of taxes
    		                36,987,000   3,766,000 12,967,000                                                   
      (gain) loss on remeasurement of u.s. dollar denominated intercompany loans
    		                                                                       
      gain on remeasurement of u.s. dollar denominated intercompany loans
    		                              -1,623,000                                         
      (recovery) benefit from doubtful accounts
    		                                                                       
      ar and costs and est. earnings in excess of billings on uncompleted contracts
    		                       1,763,000 -9,363,000 -6,477,000 1,931,000                                             
      proceeds from term loans, net of fees
    		                            0    -15,000   -157,000                                    
      (gain)/loss on remeasurement of u.s. dollar denominated intercompany loans
    		                                                                       
      gain on remeasurement of u.s. denominated intercompany loan
    		                                                                       
      benefit from doubtful accounts
    		                                     0 149,000     250,000 150,000         0 0           -780,000 360,000 1,795,000 434,000 582,000 743,000 
      payment for the redemption of 5.625% senior notes
    		                                                                       
      payment for the redemption of 5.75% senior notes
    		                               0                                        
      adjustments to reconcile net income to net cash from operating
    		                                                                       
      activities:
    		                                                                       
      (gain) loss on remeasurement of u.s. denominated intercompany loan
    		                                                                       
      gain on sale of cost method investments
    		                                                                       
      payments for settlement of common stock warrants
    		                                0 -55,488,000                                      
      repurchase and retirement of common stock, inclusive of fees
    		                               -343,340,000                                        
      gain on remeasurement of u.s. dollar denominated intercompany loan
    		                                                                       
      proceeds from 2016 senior notes, net of fees
    		                               -264,000                                        
      repayment of 2012-1c tower securities
    		                                                                       
      gain on foreign currency swap contract
    		                                                                       
      payments on settlement of convertible debt
    		                                 0 -1,000                                     
      payment for the redemption of 8.25% senior notes
    		                                                                       
      proceeds from 2014 senior notes, net of fees
    		                                                                       
      (gain) loss on remeasurement of u.s. dollar denominated intercompany loan
    		                                                                       
      payment of restricted cash to settle 5.625% senior notes
    		                                                                       
      payment for the redemption of 2010-2c tower securities
    		                                                                       
      proceeds from 2016-1c tower securities, net of fees
    		                                                                       
      effect of exchange rate changes on cash and cash equivalents
    		                                -302,000 -3,433,000 636,000 1,267,000 49,000 -101,000 -3,000 44,000                                
      net increase in cash and cash equivalents
    		                                44,768,000 -67,297,000 -33,000 -1,207,946,000 1,354,306,000 -438,815,000 478,238,000 -131,989,000    109,665,000 -43,043,000 -124,526,000 111,614,000 84,445,000 10,928,000 -360,299,000 231,885,000 80,287,000 56,711,000   -121,950,000 173,336,000   1,722,000 13,940,000 22,457,000 2,355,000 2,105,000 -50,610,000 48,631,000 10,826,000 -26,947,000 13,245,000 -25,817,000 -13,284,000 
      cash and cash equivalents:
    		                                                                       
      prepaid and other assets
    		                                 -12,836,000 -34,966,000 -31,594,000 -17,597,000 -23,425,000 -10,143,000 -14,854,000 -4,255,000 -6,997,000 -1,319,000 -4,129,000 -2,093,000 1,575,000 -3,903,000 -2,063,000 -4,155,000 -1,520,000 -2,984,000 -3,789,000 -2,613,000 -5,725,000 -2,314,000 -7,250,000 -3,030,000               
      loss on remeasurement of u.s. denominated intercompany loan
    		                                                                       
      proceeds from sale of cost method investments
    		                                                                       
      proceeds from settlement of convertible note hedges
    		                                 0 2,000                                     
      payment for the redemption of 8.25% notes
    		                                                                       
      proceeds from 4.875% senior notes, net of fees
    		                                                                       
      proceeds from issuance of tower securities
    		                                  -1,081,000                                     
      repayment of 2010 tower securities
    		                                                                       
      loss on remeasurement of u.s. dollar denominated intercompany loan
    		                                                                       
      proceeds from foreign currency swap contract
    		                                                                       
      non-cash earnout adjustments
    		                                                                       
      payments for earn-outs
    		                                                                       
      payment of deferred financing fees
    		                                     -1,200,000 -33,000 -25,000 -21,000     -13,000 -90,000                         
      income from discontinued operations, net of income taxes
    		                                   53,000                                    
      payment for the redemption of 8.0% notes and 8.25% notes
    		                                                                       
      proceeds from 5.625%, 5.75%, and 4.875% senior notes, net of fees
    		                                                                       
      proceeds from sale of common stock, net of fees
    		                                   -7,000 0                                   
      proceeds from mobilitie bridge loan, net of fees
    		                                   0 0                                   
      repayment of mobilitie bridge loan
    		                                   0                                    
      net cash from discontinued operations:
    		                                                                       
      operating activities
    		                                   -53,000                                    
      unrealized gain on foreign currency swap contract
    		                                                                       
      gain on sale of bankruptcy claim on convertible hedge
    		                                                                       
      payments for settlement of convertible debt
    		                                                                       
      proceeds from sale of bankruptcy claim on convertible hedge
    		                                                                       
      repayment of bndes loans
    		                                                                       
      payment for purchase of noncontrolling interests
    		                                                                       
      payment of restricted cash relating to sba tower trust
    		                                                                       
      net decrease in cash and cash equivalents
    		                                                                       
      acquisitions and related earn-outs
    		                                 -338,338,000 -91,646,000 -1,275,666,000 -31,598,000 -900,243,000 -51,148,000 -169,965,000 -43,311,000 -75,747,000 -90,297,000 -81,625,000 -30,345,000 -126,179,000 -25,030,000 -25,470,000 -4,119,000  -35,922,000 -256,111,000 -50,382,000 -51,724,000 -54,017,000 -43,921,000 -51,804,000    -24,249,000 -22,511,000 -22,803,000 -5,806,000 -10,206,000 -911,000 -39,000 -377,000 -219,000 -227,000 -2,303,000 
      gain on sale/settlement of bankruptcy claim on convertible hedge
    		                                 0                                      
      proceeds from sale of das networks
    		                                   5,700,000                                    
      return of principal on long-term notes
    		                                                                       
      proceeds from 5.625% and 5.75% senior notes, net of fees
    		                                   -727,000                                    
      proceeds from sba tower trust series 2012, net of fees
    		                                   -689,000                                    
      repurchase of 8.0% notes and 8.25% notes
    		                                   0                                    
      proceeds from sale/settlement of bankruptcy claim on convertible hedge
    		                                 0                                      
      proceeds from issuance of 2013 tower securities
    		                                                                       
      accounts receivable and costs and estimated earnings in excess of billings on uncompleted contracts
    		                                  -14,255,000 -4,584,000 -10,356,000 -2,605,000 -1,259,000 -5,195,000 -1,121,000 1,347,000 1,260,000 -4,847,000 4,184,000 -4,341,000 -2,354,000 1,814,000 1,384,000 -3,000 4,236,000 5,799,000 4,376,000 1,191,000 -3,900,000 -3,188,000 4,714,000               
      net cash from discontinued operations from operating activities
    		                                                                       
      repurchase of 2016 notes and 2019 notes
    		                                                                       
      proceeds from 2012 term loan, net of fees
    		                                                                       
      proceeds from bankruptcy claim on convertible hedge
    		                                                                       
      principal payments under capital lease obligations
    		                                     -357,000 -291,000 -285,000                                
      payments for early unwind of common stock warrants
    		                                                                       
      depreciation, accretion and amortization
    		                                    101,012,000 93,998,000 82,100,000  78,136,000 76,691,000 74,878,000 68,831,000 67,446,000  64,946,000 64,251,000 63,653,000  52,725,000 49,253,000 47,353,000              20,749,000 20,908,000 21,066,000 16,801,000 25,605,000 
      proceeds from issuance of common stock
    		                                      283,902,000                                 
      payment of financing fees
    		                                                                    -330,000   
      purchase of redeemable noncontrolling interests
    		                                                                       
      proceeds from settlement of convertible bond hedges
    		                                                                       
      asset impairment
    		                                   3,828,000 1,560,000 646,000 349,000 4,070,000 1,106,000                               
      payments on early extinguishment of convertible debt
    		                                             0                          
      repayments of term loans
    		                                   -3,750,000                                    
      proceeds from 2010 tower securities, net of fees
    		                                                                       
      payment on extinguishment of cmbs certificates
    		                                                                       
      payment on extinguishment of 1.875% convertible senior notes
    		                                                                       
      net cash from discontinued operations :
    		                                                                       
      net income from continuing operations
    		                                                                       
      other items reflected in the statements of operations
    		                                                                       
      repayment of revolving credit facility
    		                                       0 0                               
      proceeds from 2011 term loan, net of fees
    		                                                                       
      repayment of 2011 term loan
    		                                                                       
      payment on extinguishment of debt
    		                                        0                               
      purchase of noncontrolling interests
    		                                       0 0                               
      proceeds from sales/maturities of investments
    		                                      1,225,000 695,000 1,715,000                               
      proceeds from disposition of fixed assets
    		                                      54,000 44,000 66,000 -9,000 18,000 22,000 13,000 90,000 494,000 14,000 10,000                       
      release of restricted cash relating to tower removal obligations
    		                                      29,000                                 
      borrowings under the revolving credit facility
    		                                      200,000,000                                 
      repayment of term loan
    		                                      -1,250,000 -1,250,000                                
      payment of restricted cash relating to cmbs certificates
    		                                                                       
      repurchase of 1.875% convertible notes
    		                                                                       
      purchase of cost method investments
    		                                                                       
      (payment) proceeds of restricted cash relating to tower removal obligations
    		                                                                       
      proceeds from issuance of term loan, net of original issue discount and fees paid
    		                                       -16,000 -41,000                               
      proceeds from issuance of 2010 tower securities, net of fees paid
    		                                                                       
      proceeds from issuance of senior notes, net of original issue discount and fees paid
    		                                             -799,000                          
      proceeds from issuance of convertible senior notes, net of fees paid
    		                                                     -55,000 -8,000 -610,000 342,125,000               
      release of restricted cash relating to cmbs certificates
    		                                           -1,299,000 3,185,000  10,229,000 -193,000 787,000  -2,001,000    -2,883,000 1,638,000 1,580,000               
      proceeds from convertible note hedges
    		                                                                       
      repayment of optasite credit facility
    		                                             0 -146,117,000 -1,500,000 -1,500,000                       
      proceeds from issuance of common stock warrants
    		                                             0 0   0 0   0 0 0 27,261,000               
      purchase of convertible note hedges
    		                                             0 0   0 0   0 0 0 -77,200,000               
      payment of restricted cash relating to tower removal obligations
    		                                                 -117,000 -95,000 -151,000 -617,000 -718,000 -456,000 -647,000 -257,000   -4,475,000 -630,000           
      (payment) release of restricted cash relating to 2010 tower securities/cmbs certificates
    		                                                                       
      other
    		                                                                       
      net increase in cash and equivalents
    		                                         182,645,000 30,850,000                             
      deferred tax benefit
    		                                          -298,000 -134,000 -114,000      157,000 61,000 -98,000                   
      other non-cash items reflected in the statement of operations
    		                                          590,000                             
      purchase of long-term investments
    		                                            -32,300,000                           
      proceeds of restricted cash relating to tower removal obligations
    		                                            24,000                           
      proceeds from sales and maturities of investments
    		                                          1,686,000                             
      repurchase of 1.875% notes
    		                                          -17,038,000                             
      borrowings on 2010 credit facility
    		                                          175,000,000                             
      (payment) release of restricted cash relating to 2010 tower securities and cmbs certificates
    		                                          -648,000                             
      payments of deferred financing fees
    		                                          -79,000  -4,952,000                           
      payments on extinguishment of cmbs certificates
    		                                           -977,272,000 -2,086,000                           
      purchase of noncontrolling interest
    		                                          -717,000                             
      provision (credit) for doubtful accounts
    		                                             230,000 0 0 235,000         0 0 0 100,000           
      gain from extinguishment of debt
    		                                           48,932,000 112,000                           
      write-down of investments
    		                                                                       
      purchase of cost method investment
    		                                                                       
      proceeds (payment) of restricted cash relating to tower removal obligations
    		                                             -31,000 -11,000 -116,000 6,200,000                       
      payment on early extinguishment of cmbs certificates
    		                                                                       
      payments on extinguishment of convertible debt
    		                                                                       
      borrowings under 2010 credit facility and senior credit facility
    		                                                                       
      release (payment) of restricted cash relating to cmbs certificates
    		                                                                       
      net proceeds from the settlement of convertible note hedges
    		                                                                       
      repayment of senior credit facility
    		                                                                       
      payment related to termination of derivative instruments
    		                                                                       
      (payment) release of restricted cash relating to cmbs certificates
    		                                                                       
      proceeds from issuance of 4.0% convertible senior notes, net of fees paid
    		                                              -54,000                         
      payments on senior credit facility
    		                                                                       
      payments on optasite credit facility
    		                                                                       
      borrowings under senior credit facility
    		                                             0 0                      105,000,000   
      changes in operating assets and liabilities:
    		                                                                       
      maturity of investments
    		                                            2,017,000                           
      gain on sale of assets
    		                                             194,000       4,000 175,000   -18,000  -94,000             
      write-down of short-term investments
    		                                                  490,000 2,533,000 2,455,000                   
      income from extinguishment of debt and write-off of deferred financing fees
    		                                                                       
      interest payable
    		                                                         2,769,000 270,000 -4,596,000 1,733,000 -3,939,000 5,275,000 -4,557,000 3,372,000 -950,000 -14,023,000 9,168,000 -20,112,000 19,017,000 -10,460,000 
      proceeds from sales of investments
    		                                                                       
      purchases of investments
    		                                              -2,560,000                         
      proceeds from issuance of 1.875% convertible senior notes, net of fees paid
    		                                                                       
      payments on early extinguishment of cmbs certificates
    		                                                                       
      repayment of senior credit facilty
    		                                                                       
      gain from extinguishment of debt net of write-off of deferred financing fees
    		                                               -2,381,000 -5,948,000                       
      other non-cash items reflected in statements of operations
    		                                                                       
      payments on extinguishment of convertible debt and cmbs certificates
    		                                               -70,963,000 -42,004,000                       
      amortization of deferred gain/loss on derivative financial instruments
    		                                                -126,000 -138,000 -139,000 -140,000 -140,000                   
      borrowings under senior secured revolving credit facility
    		                                                8,507,000  225,448,000                     
      payment of deferred financing fees relating to senior secured revolving credit facility
    		                                                -40,000                       
      accretion of discount on optasite credit facility
    		                                                                       
      deferred tax provision
    		                                                     100,000 41,000                 
      asset impairment and other (credits) charges
    		                                                         0              
      gain on the termination of derivative instruments
    		                                                                       
      disposition of assets
    		                                                                       
      (credit) benefit from doubtful accounts
    		                                                             0   -300,000       
      amortization of deferred financing fees and non-cash interest expense
    		                                                                       
      (gain) income from extinguishment of debt and write-off of deferred financing fees
    		                                                                       
      purchase of short-term investments
    		                                                     -17,476,000 -70,275,000                 
      sales and maturities of short-term investments
    		                                                                       
      acquisitions and related earn-outs, net of cash acquired
    		                                                                       
      payment for purchase of aat communications, net of cash acquired
    		                                                                       
      net increase in restricted cash relating to cmbs certificates
    		                                                                       
      initial funding of restricted cash relating to cmbs certificates
    		                                                                       
      payment relating to settlement of swap
    		                                                                       
      proceeds from cmbs certificates, net of fees paid
    		                                                                       
      payment of deferred financing fees relating to revolving credit facility
    		                                                                       
      proceeds from bridge financing, net of fees paid
    		                                                         -68,000 0             
      repayment of bridge financing
    		                                                                       
      repurchase of 9 3/4% senior discount notes
    		                                                                       
      repurchase of 8 1/2% senior notes
    		                                                                       
      (gain) loss on sale of assets
    		                                                  -4,000                     
      gain on interest rate swap
    		                                                                       
      income from write-off of deferred financing fees and extinguishment of debt
    		                                                     0 0   3,361,000 34,000   19,541,000 0 8,244,000 1,486,000       
      proceeds from sales of short-term investments
    		                                                  0 0 40,900,000                   
      proceeds from sale of fixed assets
    		                                                  13,000 13,000 20,000 9,000 64,000 33,000 25,000 37,000 112,000 37,000 79,000 196,000 224,000 345,000 570,000 394,000      
      proceeds from issuance of 1.875% and 0.375% convertible senior notes, net of fees paid
    		                                                  -688,000                     
      repayment of senior secured revolving credit facility
    		                                                  0                     
      payment of deferred financing fees relating to cmbs certificates and senior secured revolving credit facility
    		                                                  -43,000                     
      credit for doubtful accounts
    		                                                    -206,000                   
      borrowings under senior credit agreement
    		                                                    40,000,000                   
      net decrease of restricted cash relating to cmbs certificates
    		                                                    1,879,000                   
      payment of deferred financing fees relating to cmbs certificates and senior credit agreement
    		                                                    -3,173,000                   
      supplemental disclosure of cash flow information:
    		                                                                       
      cash paid during the period for:
    		                                                                       
      interest
    		                                                    23,503,000    26,213,000    7,548,000      28,584,000  41,038,000 3,963,000 28,304,000 
      income taxes
    		                                                    58,000    139,000    627,000           
      supplemental cash flow information of non-cash activities:
    		                                                                       
      assets acquired through capital leases
    		                                                    366,000                   
      (payment) proceeds relating to settlement of swap
    		                                                                       
      repayment of 10 1/4% senior notes
    		                                                                       
      proceeds from equity offering, net of fees paid
    		                                                             151,480,000          
      borrowings under senior credit facility, net of fees paid
    		                                                         -50,000              
      payment of deferred financing fees relating to 8 1/2% senior notes
    		                                                                       
      bank overdraft repayments
    		                                                                       
      amortization of original issue discount and deferred financing fees
    		                                                      2,245,000 2,222,000 1,792,000 2,841,000 4,494,000 4,953,000 6,141,000           
      amortization of deferred gain/loss of derivative financial instruments
    		                                                      -141,000 -141,000 -142,000               
      sale of short-term investments
    		                                                      50,376,000                 
      maturity of short-term investments
    		                                                                       
      payment for purchase of aat communications, corp., net of cash acquired
    		                                                                       
      fees paid relating to equity offering
    		                                                            -44,000           
      payment of deferred financing fees relating to cmbs certificates
    		                                                      -26,000 -32,000 -314,000               
      payment of deferred financing fees relating to senior credit facility
    		                                                                       
      loss/(gain) on sale of assets
    		                                                            99,000           
      payment of deferred financing fees relating to senior revolving credit facility
    		                                                                       
      accretion of interest income on short-term investments
    		                                                         0 0 0 -123,000           
      maturity of short term investments
    		                                                         0 0 0 19,900,000           
      interest converted to term loan
    		                                                                 0 554,000 1,377,000 1,141,000   
      amortization of deferred gain of derivative
    		                                                            -662,000 -313,000 0   -197,000      
      short term investments
    		                                                                 0      
      accounts receivable
    		                                                         1,764,000 -2,707,000 -69,000 -1,132,000 3,542,000 -4,705,000 -3,078,000 8,132,000 -5,188,000 2,973,000 -2,380,000 6,845,000 1,278,000 7,386,000 
      costs and estimated earnings in excess of billings on uncompleted contracts
    		                                                         2,159,000 2,999,000 -1,784,000 2,407,000 -5,014,000 1,427,000 -3,803,000 1,272,000 -2,289,000 -1,732,000 -46,000 -2,992,000 4,182,000 -946,000 
      prepaid and other current assets
    		                                                         1,717,000 -207,000 -1,496,000 206,000 -575,000 1,619,000 -435,000 145,000 1,213,000 767,000 86,000 -153,000 -1,005,000 729,000 
      other assets
    		                                                         -2,625,000 -3,535,000 -2,622,000 -1,145,000 -48,000 -2,109,000 -2,543,000 -985,000 -2,102,000 -367,000 -197,000 9,909,000 -12,691,000 -1,197,000 
      accounts payable
    		                                                         -556,000 -1,519,000 -626,000 -4,321,000 454,000 2,028,000 1,600,000 -3,944,000 2,273,000 -554,000 -429,000 -42,000 -2,354,000 -2,933,000 
      accrued expenses
    		                                                         -631,000 -1,874,000 3,245,000 -2,110,000 1,080,000 -353,000 907,000 -1,016,000 -1,763,000 -769,000 913,000 225,000 -1,275,000 83,000 
      deferred revenue
    		                                                         7,395,000 -3,715,000 83,000 1,079,000 -608,000 727,000 581,000 -991,000 -2,106,000 -1,655,000 704,000 329,000 -1,507,000 1,940,000 
      billings in excess of costs and estimated earnings on uncompleted contracts
    		                                                         49,000 154,000 -93,000 -446,000 960,000 119,000 -221,000 -717,000 773,000 -295,000 728,000 -1,032,000 -135,000 -346,000 
      purchase of short term investments
    		                                                                       
      sale of short term investment
    		                                                                       
      other acquisitions and related earn-outs
    		                                                         -15,412,000 -28,999,000             
      (payment) receipt of restricted cash relating to tower removal obligations
    		                                                         -216,000              
      proceeds from 8 1/2% senior notes, net of fees paid
    		                                                                       
      repurchase of 10 1/4% senior notes
    		                                                             -44,000 0 1,000 -52,547,000 -213,419,000 -61,863,000     
      repurchase of 12% senior discount notes
    		                                                                  -70,775,000  -25,500,000   
      bank overdraft (repayments) borrowings
    		                                                                       
      amortization of deferred gain and non-cash interest expense on derivative
    		                                                                       
      payment for purchase of aat communications corp., net of cash acquired
    		                                                          -1,328,000             
      release of restricted cash relating to cmbs-1 notes
    		                                                          2,033,000             
      proceeds from employee stock purchase/option plans
    		                                                          1,054,000 2,297,000 1,370,000  1,303,000 1,485,000 278,000 2,019,000 1,000 -9,000 18,000   
      proceeds from equity offerings, net of fees paid
    		                                                          -7,000             
      deferred financing fees paid relating to cmbs-1 notes
    		                                                          -34,000             
      repayment of 9 3/4% senior discount notes
    		                                                             -47,037,000          
      repayment of 8 1/2% senior notes
    		                                                                       
      repayment of bank overdraft
    		                                                                       
      asset impairment and other charges
    		                                                                       
      amortization of deferred gain and non-cash interest expense on derivative financial instruments
    		                                                                       
      borrowings under senior credit facility, net of financing fees
    		                                                              16,919,000   29,411,000 294,402,000     
      release of restricted cash relating to cmbs-1 trust
    		                                                            8,240,000           
      deferred financing fees paid relating to cmbs-1 certificates
    		                                                            -313,000           
      redemption of 10 1/4% senior notes
    		                                                                       
      non-cash restructuring and other charges
    		                                                             0 31,000 2,000 17,000 27,000 -163,000 -44,000 722,000 124,000 525,000 
      asset impairment charges
    		                                                             160,000 -16,000 40,000 214,000 5,378,000  6,198,000 50,000   
      gain/loss on sale of assets
    		                                                                       
      cumulative effect of change in accounting principle
    		                                                                       
      (payment) receipt of restricted cash
    		                                                                       
      proceeds from cmbs-1 trust, net of fees paid
    		                                                                       
      initial funding of restricted cash relating to cmbs-1 trust
    		                                                                       
      net increase in restricted cash relating to cmbs-1 trust
    		                                                                       
      proceeds from settlement of swap
    		                                                                       
      proceeds from 9 3/4% senior discount notes, net of financing fees paid
    		                                                                       
      proceeds from 8 1/2% senior notes, net of financing fees paid
    		                                                                       
      borrowings under senior credit facility, net of financing fees paid
    		                                                                       
      payment of restricted stock guarantee
    		                                                                   0    
      non-cash items reported in discontinued operations
    		                                                              6,000 -306,000 -64,000 68,000 -124,000 -2,461,000 -2,164,000   
      amortization of original issue discount and debt issuance fees
    		                                                                       
      receipt of restricted cash
    		                                                                       
      repayment of senior credit facility and notes payable
    		                                                              -5,812,000 -812,000 -813,000 -15,814,000 -151,758,000 -85,018,000 -85,018,000   
      bank overdraft
    		                                                              0 0 -526,000       
      (credits) benefit from doubtful accounts
    		                                                                       
      amortization of original issue discount and debt issuance costs
    		                                                               7,947,000 8,140,000 7,902,000 7,540,000 2,164,000 1,343,000 1,272,000 6,232,000 
      repayment of 9 3/4% bonds
    		                                                                       
      amortization of deferred gain on derivative
    		                                                                -33,000       
      payment of restricted cash
    		                                                                -234,000  -31,000     
      income from write-off of deferred financing fees and exintinguishment of debt
    		                                                                       
      proceeds from termination of interest rate swap agreement
    		                                                                       
      receipt (payment) of restricted cash
    		                                                                 4,486,000  13,028,000    
      proceeds from 9 3/4% senior discount notes payable, net of financing fees
    		                                                                       
      proceeds from 8 1/2% senior notes, net of financing fees
    		                                                                       
      bank overdraft borrowings
    		                                                                   -1,466,000    
      repurchase of 12% senior notes
    		                                                                       
      class a common stock issued in exchange for 10 1/4% senior notes and accrued interest
    		                                                                  6,395,000     
      write-off of deferred financing fees and loss on extinguishment of debt
    		                                                                  22,217,000 18,969,000    
      amortization of deferred gain from derivative
    		                                                                  -178,000 -174,000    
      short-term investments
    		                                                                  15,200,000     
      total adjustments
    		                                                                  50,407,000 41,656,000 18,146,000 53,627,000 28,934,000 
      proceeds from sale of towers
    		                                                                  398,000 4,001,000 45,939,000   
      taxes
    		                                                                  330,000 228,000 460,000 233,000 931,000 
      non-cash activities:
    		                                                                       
      cumulative effect of changes in accounting principles
    		                                                                   0 0 0 545,000 
      changes in operating assets and liabilities, net of effect of acquisitions:
    		                                                                       
      proceeds from 9¾% senior discount notes payable, net of financing fees
    		                                                                       
      proceeds from 10¼% senior notes, net of financing fees
    		                                                                       
      repurchase of senior discount notes and senior notes
    		                                                                       
      cash paid during the year for:
    		                                                                       
      interest, net of amounts capitalized
    		                                                                       
      assets acquired in connection with acquisitions
    		                                                                       
      liabilities assumed in connection with acquisitions
    		                                                                       
      common stock issued in connection with acquisitions
    		                                                                       
      class a common stock issued in exchange for 10¼% senior notes and accrued interest
    		                                                                       
      10¼% senior notes and accrued interest redeemed for class a common stock
    		                                                                       
      write-off of deferred financing fees and extinguishment of debt
    		                                                                       
      amortization of deferred gain from termination of derivative
    		                                                                     -167,000 -164,000 
      restricted cash
    		                                                                       
      asset impairment charge
    		                                                                      452,000 
      proceeds from option exercises
    		                                                                       
      repayment of notes payable
    		                                                                      -27,000 
      depreciation and amortization
    		                                                                       
      amortization of deferred gain from termination of interest rate swap agreement
    		                                                                       
      write-off of deferred financing fees
    		                                                                       
      changes in operating assets and liabilities, net of effect of acquisitions
    		                                                                       
      deferred tax liabilities
    		                                                                       
      tower acquisitions and other capital expenditures
    		                                                                       
      proceeds of common stock offerings, net of issuance costs
    		                                                                       
      proceeds from senior notes payable
    		                                                                       
      restructuring and other charge
    		                                                                       
      proceeds from senior notes payable, net of financing fees
    		                                                                       
      proceeds from senior secured credit facility, net of financing fees
    		                                                                       
      deferred financing fees
    		                                                                       
      assets acquired in acquisitions
    		                                                                       
      non-cash amortization of original issue discount and debt issuance costs
    		                                                                       
      interest on shareholder notes
    		                                                                       
      increase in:
    		                                                                       
      proceeds from exercise of stock options and employee stock purchase plan
    		                                                                       
      redemption of series a redeemable preferred stock
    		                                                                       
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.