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cash flows from operating activities:
net income	51,865,000	282,688,000	128,192,000	130,034,000	34,778,000	274,762,000	55,502,000	69,526,000	100,622,000	257,947,000	95,975,000	98,800,000	70,988,000	203,171,000	85,342,000	93,716,000	72,398,000	215,632,000	75,627,000	96,564,000	46,064,000	165,852,000	89,463,000	109,750,000	86,230,000	153,163,000	89,336,000	92,596,000	84,280,000	52,585,000	73,630,000	69,730,000	63,306,000	69,983,000	69,557,000	69,628,000	56,468,000	68,021,000	66,033,000	62,335,000	56,132,000	69,633,000	65,479,000	63,036,000	56,542,000	75,929,000	62,430,000	55,945,000	51,023,000	56,063,000	51,619,000	50,262,000	45,539,000	47,457,000	45,546,000	45,431,000	42,241,000	49,140,000	36,130,000	35,493,000	32,369,000	37,630,000	30,529,000	27,137,000	21,095,000	31,913,000	25,775,000	28,129,000	25,854,000	29,289,000	18,696,000	18,256,000	16,151,000	8,372,000	-19,393,000	12,913,000	11,174,000	9,775,000	9,683,000	7,599,000	7,577,000	7,140,000	5,361,000	4,472,000	4,279,000
adjustments to reconcile net income to net cash from operating activities:
depreciation and amortization	37,461,000	35,344,000	35,795,000	35,997,000	35,536,000																				17,898,000	11,914,000	13,603,000	17,125,000	16,613,000	17,739,000	16,930,000	16,418,000	16,591,000	17,267,000	17,444,000	17,444,000	17,432,000	18,888,000	19,647,000	19,707,000	19,428,000	20,701,000	21,351,000	20,414,000	19,458,000	19,438,000	19,878,000	20,702,000	20,683,000	21,753,000	21,752,000	21,205,000	20,712,000	19,039,000	17,091,000	14,994,000	14,831,000	15,409,000	15,152,000	15,049,000	15,216,000	16,235,000	16,167,000	15,969,000	15,815,000	15,946,000	14,594,000	9,881,000	9,672,000	10,010,000	9,570,000	9,891,000	9,478,000	9,282,000	6,786,000	1,872,000	2,027,000	2,111,000	2,021,000	1,873,000	1,882,000	1,866,000	1,902,000	1,958,000	1,379,000
operating lease right-of-use assets expense	5,550,000	5,445,000	5,660,000	5,851,000	5,664,000	5,889,000	6,875,000	5,369,000	5,381,000	5,365,000	5,982,000	5,821,000	5,553,000	5,297,000	5,796,000	5,401,000	5,699,000		5,120,000	5,141,000	5,075,000
deferred income tax benefit	-8,038,000	-8,008,000	-29,811,000	-40,244,000	-2,340,000	-16,880,000	-37,662,000	-33,849,000	-2,915,000	-67,156,000	-28,256,000	-34,443,000	-861,000	-12,031,000	-13,349,000	-5,546,000	-3,564,000	-8,305,000	-6,943,000	-10,242,000	-5,442,000	-1,290,000	-6,983,000	-4,851,000	-1,387,000	-5,500,000				1,524,000				-7,819,000				-7,895,000				-5,161,000	-7,729,000			-5,841,000	-10,826,000			-6,217,000				14,000				-6,068,000	-8,756,000	-7,864,000	-4,031,000	-8,260,000	-4,037,000	-6,842,000	-9,007,000	-5,863,000	-3,838,000	2,041,000	-5,663,000	3,226,000	-782,000	-109,000	-7,969,000	-3,808,000	-2,198,000	-819,000			-395,000
benefit from bad debts	1,024,000	1,245,000	585,000	356,000	412,000	262,000	131,000	2,429,000	-118,000	3,746,000	50,000	100,000	2,326,000	179,000	167,000	642,000	18,000	639,000	127,000	2,556,000	3,116,000	369,000	549,000	1,620,000	390,000	188,000	904,000	421,000	64,000	92,000	201,000	141,000	1,040,000	1,003,000	311,000	568,000	127,000	18,000	453,000	517,000	316,000	459,000	715,000	812,000	118,000	336,000	471,000	368,000	290,000	768,000	140,000	27,000	3,000	126,000	137,000	47,000	94,000	830,000	3,000	504,000	420,000	108,000	576,000	642,000	284,000	423,000	347,000	262,000	152,000	171,000	300,000	422,000	150,000	46,000	158,000	59,000	256,000	194,000	125,000	-74,000	40,000	15,000	22,000	0	152,000
stock-based compensation expense	70,243,000	73,016,000	72,330,000	66,890,000	58,664,000	63,358,000	58,061,000	56,301,000	44,171,000	46,009,000	46,970,000	39,498,000	35,651,000	44,190,000	44,144,000	42,885,000	35,119,000	42,359,000	38,185,000	34,130,000	30,941,000	31,406,000	31,862,000	29,122,000	23,800,000	24,459,000	22,983,000	20,635,000	15,269,000	13,746,000	14,773,000	14,122,000	10,513,000	8,783,000	8,952,000	8,534,000	7,078,000	8,220,000	8,870,000	9,030,000	7,831,000	9,278,000	9,953,000	10,165,000	7,465,000	8,556,000	9,081,000	8,874,000	8,787,000	8,485,000	8,104,000	8,024,000	7,802,000	6,514,000	6,108,000	5,319,000	5,147,000	5,116,000	4,743,000	4,656,000	4,504,000	3,917,000	3,175,000	3,021,000	3,099,000	3,071,000	2,797,000	3,159,000	2,752,000	2,526,000	2,075,000	2,147,000	2,170,000	1,240,000	1,230,000	1,224,000
other	314,000	550,000	-82,000	372,000	402,000	-14,000	397,000	548,000	307,000	-306,000	1,424,000	2,643,000	919,000	768,000	728,000	237,000	975,000	-114,000	195,000	546,000	1,553,000	218,000	1,024,000	443,000	1,093,000	-1,629,000	902,000	865,000	272,000	-220,000	215,000	389,000	-363,000	1,501,000	-70,000	84,000	-225,000	-60,000	1,607,000	-100,000	-34,000	848,000	-222,000	244,000	-2,000	24,000	2,000	8,000	39,000	64,000	-6,000	-2,000	13,000	31,000	36,000	112,000	1,000	-122,000	104,000	19,000	18,000	-2,000	-103,000	191,000	22,000	79,000	19,000	124,000	-96,000	7,000	47,000	31,000	-5,000	97,000
changes in operating assets and liabilities:
accounts receivable	366,832,000	-298,549,000	-48,158,000	-149,667,000	264,474,000	-271,474,000	35,523,000	-51,950,000	185,385,000	-181,355,000	-43,675,000	-70,215,000	180,259,000	-235,115,000	-6,072,000	-66,868,000	159,038,000	-222,503,000	-17,260,000	-38,386,000	117,830,000	-141,793,000	-9,661,000	-46,932,000	43,983,000	-106,811,000	4,832,000	5,017,000	22,507,000	-32,305,000	-6,996,000	9,835,000	15,060,000	-23,989,000	480,000	-3,739,000	9,860,000	-663,000	-4,545,000	-7,155,000	18,407,000	-19,647,000	2,753,000	-3,998,000	15,338,000	-18,165,000	4,506,000	-4,464,000	15,140,000	-22,985,000	10,229,000	-5,277,000	5,632,000	-20,158,000	2,444,000	2,824,000	6,804,000	-23,114,000	11,719,000	2,069,000	-1,823,000	-16,465,000	-114,000	3,445,000	6,700,000	-5,189,000	3,464,000	2,661,000	-5,487,000	-8,741,000	2,134,000	2,371,000	-6,156,000	1,955,000	3,789,000	-3,276,000	-1,400,000	1,708,000	1,415,000	2,117,000	1,672,000	1,496,000	-21,000	2,842,000	1,808,000
other receivables and current assets	48,091,000	-47,997,000	-17,543,000	9,857,000	60,593,000	-91,407,000	13,300,000	-21,088,000	68,991,000	-66,382,000	23,045,000	30,117,000	43,479,000	-122,308,000	3,438,000	66,625,000	-12,071,000	-15,047,000	-31,642,000	32,364,000	12,013,000	-63,955,000	25,993,000	-16,583,000	28,363,000	-53,448,000	24,963,000	-7,923,000	6,167,000	-79,252,000	16,440,000	26,111,000	18,203,000	-66,075,000	4,410,000	-7,789,000	29,810,000	-52,992,000	9,833,000	7,663,000	17,834,000	-49,438,000	15,019,000	1,776,000	31,766,000	-67,525,000	14,329,000	16,200,000	-7,166,000	-44,091,000	17,896,000	-10,161,000	-14,129,000	-36,080,000	4,400,000	13,363,000	1,391,000	-31,459,000	-32,445,000	11,049,000	-8,612,000	-20,371,000	11,473,000	9,603,000	9,461,000	-22,840,000	2,911,000	9,430,000	-9,079,000	-1,688,000	-13,113,000	5,298,000	-4,080,000		4,911,000	-2,743,000	624,000	2,285,000	-1,077,000
other long-term assets	564,000	212,000	427,000	6,873,000	-671,000	-2,666,000	-4,050,000	3,951,000	-5,798,000	-492,000	713,000	2,149,000	-5,983,000	-669,000	-805,000	166,000	-1,909,000	-2,477,000	-3,061,000	-5,854,000	-3,426,000	-3,334,000	-814,000	1,042,000	-2,516,000	830,000	144,000	1,125,000	1,189,000	-2,152,000	-699,000	-852,000	6,046,000	-7,087,000	625,000	-613,000	-92,000	-123,000	381,000	253,000	-238,000	-2,272,000	540,000	-60,000	-46,000	-655,000	-2,000	56,000	139,000	16,363,000	-16,826,000	125,000	5,365,000	190,000	-1,189,000	-50,000	-341,000	-608,000	-59,760,000	107,000	-104,000	26,000	22,000	1,333,000	-41,000	-134,000	-136,000	-187,000	77,000	-876,000	-13,000	5,000	-37,000
accounts payable, accrued expenses and current liabilities	-169,748,000	128,757,000	29,481,000	13,018,000	-147,636,000	133,050,000	17,755,000	12,413,000	-135,365,000	102,789,000	18,894,000	13,950,000	-143,883,000	112,366,000	27,756,000	-6,226,000	-80,050,000	97,879,000	11,582,000	11,013,000	-99,112,000	75,832,000	927,000	15,834,000	-54,050,000	51,163,000	14,733,000	-5,967,000	-40,009,000	49,407,000	10,768,000	-9,795,000	-23,335,000	40,541,000	2,005,000	6,631,000	-32,258,000	26,262,000	471,000	3,245,000	-36,971,000	27,067,000	-1,145,000	11,123,000	-28,837,000	30,708,000	4,175,000	9,262,000	-28,408,000	19,342,000	6,187,000	6,073,000	-22,054,000	18,205,000	3,994,000	6,619,000	-10,596,000	8,934,000	5,722,000	1,625,000	261,000	26,836,000	4,360,000	-6,396,000	-11,887,000	16,998,000	3,980,000	-3,779,000	-7,732,000	-1,337,000	21,218,000	-6,355,000	-7,471,000
accrued income taxes	18,661,000	-10,614,000	7,080,000	2,897,000	-6,280,000	7,404,000	752,000	4,094,000	1,481,000	-9,652,000	654,000	10,216,000	-1,119,000	568,000	-1,050,000	3,007,000	-20,954,000	-2,297,000	2,434,000	18,570,000	1,006,000	3,122,000	-2,368,000	-6,178,000	5,999,000	3,667,000	536,000	-1,310,000	-1,807,000	1,436,000	567,000	-2,091,000	1,303,000	4,378,000	2,236,000	-12,164,000	14,602,000	3,381,000	126,000	-7,371,000	9,634,000	6,246,000	4,114,000	-9,281,000	11,023,000	3,016,000	3,876,000	1,566,000	3,418,000	6,095,000	1,398,000	168,000	6,955,000	3,192,000	4,741,000	2,410,000	-675,000	-70,257,000
deferred revenue	-20,780,000	92,384,000	-7,693,000	-4,972,000	-17,714,000	99,749,000	-19,871,000	-19,492,000	-25,879,000	61,206,000	-15,289,000	-13,369,000	455,000	73,014,000	-17,675,000	-29,996,000	1,204,000	35,426,000	-4,300,000	-30,462,000	4,784,000	53,052,000	-25,466,000	-12,576,000	2,235,000	55,038,000	-31,963,000	1,434,000	31,704,000	56,150,000	-33,792,000	-8,886,000	7,176,000	53,608,000	-17,423,000	-142,000	5,387,000	47,123,000	-17,396,000	-8,895,000	19,734,000	37,628,000	-24,807,000	995,000	21,732,000	40,432,000	-33,527,000	509,000	34,691,000	34,715,000	-23,082,000	7,199,000	28,916,000	35,820,000	-12,729,000	2,937,000	23,945,000	20,101,000	-18,036,000	3,264,000	23,488,000	8,352,000	-23,797,000	-173,000	15,012,000	19,792,000	-7,387,000	6,112,000	21,932,000	5,327,000	-13,441,000	3,808,000	18,881,000	-5,828,000	6,351,000	7,596,000	-3,196,000	-1,048,000	6,925,000	-3,160,000	-1,780,000	5,732,000	-2,252,000	-426,000	5,493,000
other long-term liabilities	-3,104,000	3,500,000	-2,026,000	3,451,000	-3,065,000	-2,799,000	172,000	1,605,000	-7,621,000	-6,071,000	-7,563,000	4,745,000	-5,928,000	5,856,000	3,071,000	2,909,000	-11,878,000	3,862,000	3,634,000	-5,002,000	12,308,000	-2,875,000	-3,798,000	-742,000	-460,000	-100,000	-14,780,000	-4,199,000	-583,000	24,728,000	5,756,000	1,660,000	1,062,000	7,115,000	2,356,000	-1,499,000	-6,142,000	826,000	3,554,000	-5,855,000	-2,487,000	1,843,000	-685,000	-6,688,000	191,000	-60,000	-6,942,000	-13,444,000	2,450,000	-14,780,000	1,691,000	6,982,000	926,000	6,280,000	1,722,000	-9,728,000	691,000	10,707,000	38,070,000	-2,869,000	1,631,000	3,533,000	445,000	-2,902,000	933,000	8,101,000	1,815,000	-1,406,000	3,854,000	2,842,000	1,102,000	191,000	53,000
net cash from operating activities	398,935,000	257,973,000	174,237,000	80,713,000	282,817,000	232,722,000	160,768,000	62,866,000	260,766,000	173,972,000	127,151,000	118,944,000	210,936,000	101,653,000	157,845,000	118,877,000	171,107,000	173,767,000	94,539,000	131,592,000	147,412,000	139,451,000	120,368,000	88,539,000	151,578,000	132,934,000	109,961,000	111,121,000	132,421,000	103,478,000	88,885,000	112,182,000	125,893,000	96,234,000	81,989,000	70,029,000	108,575,000	109,196,000	77,795,000	66,412,000	114,120,000	92,273,000	81,562,000	79,833,000	131,639,000	84,961,000	65,440,000	87,148,000	95,434,000	69,588,000	70,361,000	74,869,000	83,597,000	77,614,000	66,278,000	78,910,000	84,859,000	-25,265,000	72,263,000	60,155,000	59,731,000	44,920,000	34,079,000	43,440,000	51,250,000	61,669,000	42,746,000	55,147,000	37,146,000	41,643,000	26,256,000	37,027,000	22,202,000	22,355,000	25,405,000	12,628,000	14,159,000	17,598,000	15,320,000	13,413,000	13,090,000	13,212,000	7,101,000	10,161,000	11,468,000
cash flows from investing activities:
capital expenditures	-11,491,000	-11,784,000	-8,425,000	-13,293,000	-10,543,000	-8,777,000	-4,504,000	-5,145,000	-6,892,000	-9,143,000	-5,168,000	-4,997,000	-5,062,000	-4,885,000	-7,298,000	-5,790,000	-5,045,000	-11,175,000	-7,228,000	-9,980,000	-6,987,000	-19,159,000	-8,835,000	-10,046,000	-6,900,000	-8,685,000	-6,326,000	-3,818,000	-2,933,000	-4,334,000	-7,313,000	-3,445,000	-4,057,000	-4,224,000	-2,151,000	-3,373,000	-2,695,000	-5,380,000	-3,083,000	-4,060,000	-3,622,000	-5,395,000	-8,705,000	-7,831,000	-4,092,000	-14,701,000	-5,467,000	-4,593,000	-4,087,000	-6,095,000	-3,552,000	-9,587,000	-4,743,000	-9,539,000	-4,919,000	-4,264,000	-3,341,000	-5,105,000	-4,736,000	-2,549,000	-1,870,000	-1,892,000	-1,908,000	-1,223,000	-3,288,000	-6,036,000	-3,621,000	-4,552,000	-2,430,000	-2,155,000	-2,178,000	-4,147,000	-2,278,000	-1,920,000	-1,008,000	-790,000	-770,000	-1,232,000	-1,461,000	-573,000	-1,087,000	-935,000	-312,000	-521,000	-640,000
free cash flows	387,444,000	246,189,000	165,812,000	67,420,000	272,274,000	223,945,000	156,264,000	57,721,000	253,874,000	164,829,000	121,983,000	113,947,000	205,874,000	96,768,000	150,547,000	113,087,000	166,062,000	162,592,000	87,311,000	121,612,000	140,425,000	120,292,000	111,533,000	78,493,000	144,678,000	124,249,000	103,635,000	107,303,000	129,488,000	99,144,000	81,572,000	108,737,000	121,836,000	92,010,000	79,838,000	66,656,000	105,880,000	103,816,000	74,712,000	62,352,000	110,498,000	86,878,000	72,857,000	72,002,000	127,547,000	70,260,000	59,973,000	82,555,000	91,347,000	63,493,000	66,809,000	65,282,000	78,854,000	68,075,000	61,359,000	74,646,000	81,518,000	-30,370,000	67,527,000	57,606,000	57,861,000	43,028,000	32,171,000	42,217,000	47,962,000	55,633,000	39,125,000	50,595,000	34,716,000	39,488,000	24,078,000	32,880,000	19,924,000	20,435,000	24,397,000	11,838,000	13,389,000	16,366,000	13,859,000	12,840,000	12,003,000	12,277,000	6,789,000	9,640,000	10,828,000
purchases of short-term investments	-21,233,000	-4,670,000	-28,646,000	-159,000	-19,940,000																																					-90,000	-79,000	-109,000	-77,000	-114,000	-26,000	-75,000	-46,000	-47,000	-16,000	-96,000	-69,000	-69,000	-48,000	-120,000	-114,000	-31,000	-85,000	-120,000	-839,000	-7,634,000	-56,000	-2,143,000	-66,000	-3,880,000	-2,579,000	-6,445,000	-89,000	-4,414,000	-25,000	-13,000	-8,000	-6,000	-73,000	-6,000,000	-10,000,000	1,000	-24,866,000	0			-4,989,000	-10,060,000	-4,985,000
other investing activities	2,037,000	2,922,000	416,000	99,000	-3,953,000	26,000	-35,000	-4,890,000	-914,000	48,000	-867,000	72,000	13,000	-2,608,000	-85,000	-262,000	-35,000	-354,000	-3,796,000	-2,141,000	-264,000	11,268,000	-3,672,000	-8,548,000	-460,000	-3,382,000	-34,000	-1,173,000	-4,303,000	6,401,000	-8,926,000	-10,920,000	-964,000	-484,000	-1,099,000	-10,260,000	4,000	232,000	109,000	-44,000	-67,000
net cash from investing activities	-30,687,000	-13,532,000	-36,655,000	-14,939,000	-34,436,000	-19,876,000	-4,539,000	-87,237,000	-128,390,000	-152,746,000	-7,018,000	-241,640,000	-9,964,000	-413,157,000	-7,332,000	-100,461,000	-15,863,000	-483,663,000	-11,024,000	-109,967,000	-9,599,000	-500,100,000	-22,171,000	-59,594,000	-251,683,000	-12,067,000	-6,360,000	-288,017,000	-7,236,000	-35,820,000	-36,373,000	-14,365,000	-10,885,000	-12,599,000	-3,250,000	-13,633,000	-2,691,000	-10,373,000	-33,490,000	-4,003,000	-14,166,000	-5,956,000	-8,746,000	-92,035,000	-22,533,000	-14,756,000	-5,469,000	-8,835,000	-4,117,000	-4,791,000	-49,911,000	-9,510,000	-4,744,000	-9,311,000	-274,634,000	-4,280,000	-3,418,000	-4,439,000	-4,714,000	-2,474,000	4,979,000	-9,501,000	290,000	-3,218,000	1,698,000	-8,680,000	-317,383,000	-13,977,000	2,041,000	-6,569,000	-2,322,000	-4,154,000	-2,373,000	-5,328,000	-289,806,000	4,285,000	-791,000	68,492,000	-30,284,000	9,291,000	-16,317,000	-1,196,000	9,503,000
cash flows from financing activities:
restricted stock withholding taxes paid in lieu of issued shares	-68,063,000	-22,103,000	-7,287,000	-11,618,000	-65,089,000	-2,818,000	-972,000	-6,939,000	-52,916,000	-2,207,000	-481,000	-2,358,000	-59,196,000	-4,894,000	-1,446,000	-4,648,000	-86,049,000	-4,245,000	-1,378,000	-2,971,000	-62,425,000	-4,495,000	-2,331,000	-2,611,000	-32,994,000	-1,924,000	-1,914,000	-708,000	-24,333,000	-1,037,000	-1,038,000	-557,000	-8,480,000	-13,000	-40,000	-252,000	-4,752,000	-15,000	-49,000	-139,000	-4,243,000	0	0	0	-5,108,000	0	0	0	-4,269,000
proceeds from shares issued for stock-based compensation	14,000	29,000	0	0	10,446,000	4,099,000	12,393,000	5,040,000	8,582,000	4,677,000	10,104,000	692,000	10,122,000	5,056,000	12,677,000	1,752,000	11,892,000	2,603,000	11,083,000	6,158,000	9,716,000	5,460,000	7,853,000	10,404,000	10,376,000	3,621,000	10,796,000	13,843,000	12,759,000	4,511,000	6,366,000	11,128,000	30,498,000	10,464,000	25,928,000	7,283,000	10,136,000	7,060,000	6,888,000	13,905,000	15,770,000
net cash from financing activities	-68,049,000	-22,074,000	-7,287,000	-14,540,000	-54,643,000	1,281,000	11,421,000	-3,193,000	-240,828,000	-47,530,000	9,623,000	-2,956,000	-204,645,000	-98,987,000	-24,762,000	-47,895,000	-74,208,000	372,443,000	9,705,000	3,187,000	-288,738,000	499,445,000	5,522,000	-6,467,000	-69,091,000	-75,392,000	-66,074,000	8,196,000	-129,405,000	-109,277,000	5,328,000	-112,368,000	-78,334,000	-79,621,000	-86,230,000	-77,425,000	-36,201,000	-86,313,000	-106,535,000	12,620,000	-111,523,000	-103,673,000	-23,271,000	-64,199,000	5,501,000	-34,069,000	-16,294,000	-67,513,000	-11,883,000	-41,762,000	-20,972,000	-64,514,000	2,402,000	332,000	-5,017,000	4,238,000	-9,229,000	8,452,000	-1,340,000	-28,384,000	-8,367,000	8,585,000	2,248,000	-29,373,000	-45,550,000	-27,762,000	300,621,000	-45,350,000	-9,759,000	-18,703,000	-15,838,000	-13,833,000	-7,455,000	-17,753,000	168,221,000	3,902,000	-2,146,000						2,368,000	2,970,000	1,376,000
effect of exchange rate fluctuations on cash and cash equivalents	11,213,000	-21,681,000	16,804,000	-2,785,000	-3,430,000	6,732,000	-6,183,000	-2,250,000	1,750,000	8,186,000	-14,550,000	-14,466,000	-6,573,000	-2,680,000	-2,617,000	-244,000	-6,281,000	5,384,000	6,975,000	1,986,000	-3,421,000	614,000	-2,490,000	1,586,000	-552,000	2,484,000	-4,241,000	-20,899,000	8,212,000	3,549,000	3,735,000	6,359,000	7,035,000	-19,451,000	2,052,000	949,000	9,584,000	-4,581,000	-1,885,000	4,931,000	-16,101,000	-11,385,000	-15,655,000	1,632,000	591,000	-984,000	4,254,000	-2,390,000	-5,144,000	-1,219,000	3,925,000	-7,207,000	4,763,000		-10,041,000	910,000	5,243,000		13,019,000	-3,049,000	-2,981,000		5,018,000	11,585,000	-6,305,000		-11,857,000	-1,318,000	4,251,000		4,771,000	1,370,000	685,000	-304,000	1,669,000	178,000	-116,000	-844,000	-402,000
net increase in cash and cash equivalents	311,412,000	200,686,000	147,099,000	48,449,000	190,308,000	220,859,000				-18,118,000	115,206,000	-140,118,000	-10,246,000	-413,171,000	123,134,000	-29,723,000	74,755,000								-169,748,000	47,959,000	33,286,000	-189,599,000	3,992,000	-38,070,000	61,575,000	-8,192,000	43,709,000	-15,437,000	-5,439,000	-20,080,000	79,267,000	7,929,000	-64,115,000	79,960,000	-27,670,000	-28,741,000	33,890,000	-74,769,000	115,198,000	35,152,000	47,931,000	8,410,000	74,290,000	21,816,000	3,403,000	-6,362,000	86,018,000	65,530,000	-223,414,000	79,778,000	77,455,000	-22,237,000	79,228,000	26,248,000	53,362,000	42,540,000	41,635,000	22,434,000	1,093,000	18,644,000	14,127,000	-5,498,000	33,679,000	16,573,000	12,867,000	20,410,000	13,059,000				11,106,000	83,418,000	-13,641,000	25,013,000	-2,028,000	13,257,000	19,429,000
cash and cash equivalents, beginning of period	1,446,743,000	0	0	0	860,201,000	0	0	0	614,391,000	0	0	0	667,667,000	0	0	0	912,672,000	0	0	0	872,094,000	0	0	0	777,139,000	0	0	0	881,501,000	0	0	0	822,479,000	0	0	0	784,168,000	0	0	0	788,064,000	0	0	0	742,486,000	0	0	0	576,703,000	0	0	0	471,828,000		0	0	472,479,000		0	0	335,878,000		0	0	228,176,000		0	0	167,224,000		0	0	104,315,000	0	0	176,166,000	0	0	83,547,000	0	0	78,038,000	0	0	46,198,000
cash and cash equivalents, end of period	1,758,155,000	200,686,000	147,099,000	48,449,000	1,050,509,000	220,859,000	161,467,000	-29,814,000	507,689,000	-18,118,000	115,206,000	-140,118,000	657,421,000	-413,171,000	123,134,000	-29,723,000	987,427,000	67,931,000	100,195,000	26,798,000	717,748,000	139,410,000	101,229,000	24,064,000	607,391,000	47,959,000	33,286,000	-189,599,000	885,493,000	-38,070,000	61,575,000	-8,192,000	866,188,000	-15,437,000	-5,439,000	-20,080,000	863,435,000	7,929,000	-64,115,000	79,960,000	760,394,000	-28,741,000	33,890,000	-74,769,000	857,684,000	35,152,000	47,931,000	8,410,000	650,993,000	21,816,000	3,403,000	-6,362,000	557,846,000		-223,414,000	79,778,000	549,934,000		79,228,000	26,248,000	389,240,000		41,635,000	22,434,000	229,269,000		14,127,000	-5,498,000	200,903,000		12,867,000	20,410,000	117,374,000	-1,030,000	-94,511,000	197,159,000	11,106,000	83,418,000	69,906,000	25,013,000	-2,028,000	91,295,000	19,429,000	11,003,000	36,849,000
supplemental disclosure of cash flow information:
income taxes paid	10,057,000	70,706,000	53,172,000	43,816,000	16,721,000	43,982,000	16,500,000	75,985,000	7,650,000	73,284,000	30,129,000	8,360,000	3,566,000	70,453,000	20,648,000	18,684,000	20,641,000	18,598,000	22,093,000	6,726,000	6,757,000	13,209,000	17,861,000	50,868,000	4,832,000	13,158,000	27,424,000	43,260,000	3,402,000	31,629,000	28,865,000	53,519,000	2,376,000	23,389,000	29,193,000	59,836,000	6,037,000	29,351,000	22,849,000	51,745,000	3,273,000	27,398,000	27,268,000	53,336,000	10,002,000	25,546,000	31,423,000	35,826,000	4,911,000	24,213,000	26,954,000	39,006,000	13,023,000	14,226,000	19,282,000	22,454,000	8,769,000	85,897,000	10,293,000	26,726,000	8,945,000
interest paid	9,931,000	10,671,000	12,418,000	12,053,000	11,939,000	12,274,000	11,948,000	11,241,000	10,606,000	8,652,000	5,894,000	3,672,000	2,626,000	2,425,000	2,697,000	3,068,000	2,956,000	1,956,000	1,573,000	2,784,000	5,628,000									36,000	0	162,000	1,000	31,000	64,000	292,000	435,000	11,000	0	587,000	22,000	10,000	203,000	220,000	210,000	1,000	24,000	571,000	140,000	235,000	920,000	363,000	452,000	401,000	553,000	415,000	489,000	442,000	562,000	830,000	1,146,000
non-cash consideration in connection with acquisitions					1,640,000
acquisitions, net of cash acquired		0	0			-11,125,000	0	-77,202,000	-120,584,000	-143,651,000	-983,000	-236,715,000	-4,915,000	-405,664,000	51,000	-94,409,000	-10,783,000	-472,134,000	0	-97,846,000	-2,348,000	-492,209,000	-9,664,000	-41,000,000	-244,323,000	0	0			-37,887,000	-20,134,000	0	-5,864,000					-5,225,000	-30,516,000	101,000	-10,477,000	-499,000	0	-84,119,000	-18,398,000	0				1,320,000
purchase of treasury stock						0	0	0	-196,494,000	-50,000,000	0	0	-155,571,000	-98,686,000				0	0	0	-161,029,000	0	0	-14,260,000	-44,856,000	-77,014,000	-74,956,000	0	-117,831,000	-112,751,000	0	-122,939,000	-100,352,000	-93,047,000	-114,528,000	-86,076,000	-42,684,000	-95,162,000	-114,032,000	-3,089,000	-125,627,000	-125,180,000	-36,517,000			-42,675,000	0			-33,886,000	0	-61,591,000	0	0	0	0	-12,704,000	0	0	0	0	0	0	0	-39,904,000					-5,542,000	0	0	-2,470,000
other financing activities		0	0			0	0			0	0			-463,000	0	1,000	-51,000					-1,520,000	0	0	-1,617,000	-75,000	0							0	0
supplemental disclosures of cash flow information:
non-cash and unpaid consideration in connection with acquisitions						0	0
gain on equity investment														0	0
principal payments on long-term debt														0	0			0	0	0	-75,000,000																									0	-26,574,000	0	-26,575,000	-26,574,000	-26,574,000	-10,630,000	-10,630,000	-10,629,000	-10,630,000	-5,315,000	-5,315,000	-5,315,000	-5,315,000	-35,000,000	-20,000,000	-6,620,000	-6,620,000	-33,342,000	-7,342,000	-21,000,000	-54,999,000	-47,697,000	-11,803,000	-15,197,000	-22,785,000	-16,156,000	-8,296,000	-21,865,000
depreciation and intangible assets amortization							33,883,000	33,009,000	32,124,000		28,227,000	28,932,000	29,080,000		26,354,000	27,064,000	27,082,000		20,841,000	20,654,000	20,702,000		14,698,000
net decrease in cash and cash equivalents								-29,814,000	-106,702,000										100,195,000	26,798,000	-154,346,000		101,229,000																																																														-9,349,000
fair value of non-cash consideration in connection with acquisitions									5,056,000
proceeds from long-term debt																																																																		0								0
fair value of unpaid consideration and common stock issued in connection with acquisitions
fair value of unpaid consideration in connection with acquisitions											168,000
fair value of common stock issued and unpaid consideration in connection with acquisitions
operating lease right-of-use assets amortization																						4,547,000	4,942,000
fair value of common stock issued as consideration in connection with acquisitions
contingent consideration payments																																		0	0	0	-1,048,000	0	0			0	-3,086,000	0	-1,418,000	0				0
deferred income tax (benefit) expense																												-8,698,000	-3,245,000																				-885,000																												-150,000
fair value of stock options and restricted stock awards assumed in connection with acquisitions																																						0
deferred income tax expense																																-4,600,000	9,291,000			-5,294,000	8,676,000			-3,841,000	7,116,000				356,000								1,789,000			-2,177,000	3,038,000
excess tax benefits from stock-based compensation																																		-2,975,000	-2,410,000	-1,620,000	-2,148,000	-1,810,000	-663,000	-3,121,000	-2,582,000	-4,912,000	-3,774,000
construction-in-progress - leased facility
principal payments on capital leases																																					-1,000		-5,000	-5,000	-5,000	-5,000	-5,000	-71,000	-10,000					0	0	-5,000	-9,000	-17,000	-15,000	-23,000	-32,000	-54,000	-76,000	-75,000	-78,000	-80,000	-44,000	-66,000	-116,000	-105,000	-125,000
principal payments on long-term debt and capital leases
maturities of short-term investments																																										28,000	38,000	24,000	34,000	59,000	24,000	57,000	16,000	31,000	52,000	173,000	68,000	30,000	86,000	104,000	37,000	697,000	107,000	195,000	7,688,000	25,000	2,254,000	148,000	5,064,000	1,337,000	5,681,000	185,000	4,560,000	0	0	6,000	14,000	2,000	6,116,000	18,000,000	10,000,000	69,988,000	200,000	10,000,000			15,000,000	10,025,000	4,975,000
proceeds from issuance of common stock under employee stock purchase plan																																										0	2,018,000	0	1,611,000	0	1,713,000	0	1,274,000	0	1,330,000	0	1,116,000	-1,000	1,230,000	0	938,000	0	964,000	0	628,000	0	815,000	0	700,000	-1,000	994,000	0	727,000	-1,000	841,000	0	630,000	701,000	0	490,000	511,000	0	338,000	269,000	0	216,000	221,000	0	187,000
proceeds from exercise of stock options																																										16,600,000	10,545,000	5,588,000	6,961,000	7,374,000	9,730,000	3,983,000	12,920,000	12,711,000	5,555,000	5,641,000	8,053,000	7,963,000	2,271,000	6,385,000	6,172,000	9,869,000	1,839,000	3,744,000	7,477,000	8,594,000	3,444,000	2,466,000	857,000	2,724,000	2,383,000	1,334,000	1,141,000	897,000	2,528,000	1,364,000	1,697,000	1,946,000	638,000	1,698,000	1,780,000	1,227,000	1,387,000	1,852,000	1,490,000	779,000	2,147,000	2,970,000	1,189,000
change in construction-in-progress - leased facility
construction in progress - leased facility																																												5,845,000	5,582,000	6,914,000	4,964,000
excess tax benefits from stock options																																													-3,465,000	-1,232,000	-2,011,000	-1,961,000	-4,767,000	-5,987,000	-1,958,000	-2,071,000	-3,872,000	-3,016,000	-2,127,000	-3,191,000	-1,712,000	-3,952,000	-1,248,000	-2,947,000	-3,606,000	-6,691,000	-4,653,000	-1,569,000	-255,000	-628,000	-1,595,000	-1,280,000	-567,000	-1,300,000	-3,753,000	-3,561,000	1,208,000	1,721,000	682,000	1,964,000
acquisition, net of cash acquired
changes in operating assets and liabilities, net of acquisitions:
apache acquisition, net of cash acquired																																																						267,000
effect of exchange rate fluctuations
cash and cash equivalents, beginning of year
cash and cash equivalents, end of year
capital lease obligations incurred																																																										0
utilization of acquired net operating income tax carryforward																																																														72,000			19,000	0	0	0	1,477,000	2,187,000	2,216,000	2,216,000	2,245,000
ansoft acquisition payments, net of cash acquired																																																																	-12,000	-239,000
loan commitment fees																																																																		0	-4,227,000	-132,000	-250,000							-250,000
stock issued in acquisitions
cash paid during the year for:
income taxes																																																														14,962,000	15,828,000	22,126,000	5,943,000	5,879,000	16,609,000	23,608,000	12,163,000	3,678,000	8,021,000	17,649,000	7,168,000												676,000
interest																																																														1,487,000	1,944,000	2,605,000	2,606,000	4,039,000	2,800,000	399,000	847,000	1,226,000	1,470,000	1,733,000	1,878,000
supplemental disclosures of non-cash operating activities:
supplemental disclosures of non-cash investing activities:
capital lease obligations																																																														13,000												77,000
ansoft acquisition payments																																																															0
other acquisition payments																																																																			0																0
cash paid during the period for:
in-process research and development
capitalization of internally developed software costs																																																																						0	0	0	-101,000	-33,000			-21,000			-136,000	-127,000	-261,000	-196,000	-251,000	-103,000
fluent acquisition payments, net of cash acquired																																																																										-2,398,000
other acquisition payments, net of cash acquired																																																																										-973,000
principal payments on long-term capital leases																																																																					-141,000	-160,000	-175,000	-186,000	-224,000	-256,000
loan issuance costs																																																																										0
write-off of in-process research and development
excess tax benefit from stock options																																																																									-1,208,000
acquisition payments
other receivables and other assets
accounts payable, accrued expenses and liabilities																																																																										6,699,000	-4,309,000	-4,198,000	4,824,000	2,927,000	-3,377,000	2,892,000	1,728,000	-319,000	76,000	-1,719,000	-558,000
repurchase of common stock																																																																													-4,437,000
net (decrease)/increase in cash and cash equivalents																																																																										-1,030,000
cash paid during the period for interest																																																																										2,822,000
cash paid during the period for income taxes																																																																										5,080,000	9,336,000	7,308,000	2,175,000	4,550,000	3,384,000	1,006,000	2,104,000	1,224,000	1,011,000
acquisition payments, net of cash acquired																																																																												-6,925,000
net increase/(decrease) in cash and cash equivalents																																																																												20,993,000
acquisition of century dynamics, net of cash acquired																																																																													0	-16,000	-4,157,000
cash from financing activities																																																																															1,725,000	2,121,000	1,490,000	995,000
deferred income tax provision																																																																																258,000	425,000	-79,000	272,000	111,000	-74,000
loss on investment																																																																																			636,000
other current assets																																																																																1,908,000	1,546,000	-2,639,000	1,105,000	2,873,000	-1,011,000
acquisition of cfx, net of cash acquired																																																																																			0	-258,000	-21,489,000
purchase of long-term investment																																																																																			0
effect of exchange rate changes on cash and cash equivalents
effect of exchange rate changes on cash																																																																																	-291,000	246,000	457,000	-275,000	49,000
cash from investing activities																																																																																					-22,242,000

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.