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operating activities
net income	189,912,000	145,530,000	166,445,000	165,296,000	144,079,000	119,021,000	138,382,000	152,134,000	88,976,000	81,436,000	72,402,000	89,346,000	83,019,000	56,236,000	93,559,000	110,718,000	89,604,000	43,241,000	87,678,000	77,663,000	69,872,000	61,379,000	98,527,000	94,837,000	85,905,000	116,087,000	130,905,000	132,881,000	122,743,000	109,636,000	88,429,000	135,743,000	97,662,000	93,138,000	94,218,000	108,935,000	91,789,000	75,415,000	89,716,000	97,037,000	93,172,000	85,729,000	89,076,000	94,021,000	79,473,000	69,641,000	68,048,000	76,231,000	68,178,000	63,412,000	69,493,000	67,717,000	72,336,000	68,641,000	66,492,000	67,610,000	62,549,000	55,575,000	55,663,000	48,235,000	40,495,000	33,144,000	29,279,000	28,350,000	22,776,000	18,986,000	21,423,000	19,701,000	19,134,000	17,745,000	17,751,000	12,882,000	21,809,000	19,956,000	22,353,000	17,752,000	16,965,000	16,067,000	15,221,000	15,651,000	13,977,000	12,112,000	9,993,000	15,781,000	7,416,000	5,955,000	3,801,000	1,353,000	1,399,000	815,000	520,000		-4,346,000
adjustments to reconcile net income to net cash from operating activities:
stock-based compensation	57,451,000	58,884,000	57,908,000	53,759,000	54,206,000	55,141,000	56,002,000	53,266,000	56,471,000	64,039,000	62,874,000	59,455,000	61,875,000	64,129,000	63,757,000	60,522,000	61,468,000	63,220,000	58,069,000	52,633,000	50,868,000	50,786,000	47,661,000	43,732,000	40,999,000	39,494,000	38,689,000	36,848,000	38,739,000	41,320,000	40,948,000	41,586,000	43,234,000	43,895,000	46,611,000	38,317,000	38,437,000	41,773,000	38,233,000	41,634,000	36,517,000	36,777,000	30,625,000	25,159,000	31,833,000	35,636,000	34,528,000	22,031,000	27,861,000	27,610,000	26,710,000	26,343,000	23,537,000	23,345,000	22,123,000	22,134,000	22,907,000	21,766,000	22,940,000	19,782,000	17,406,000	16,521,000	17,064,000	15,337,000	12,557,000	13,257,000	14,913,000		14,817,000	15,667,000	15,336,000		10,573,000	11,705,000	8,729,000
depreciation and amortization	22,471,000	22,471,000	22,666,000	22,929,000	26,778,000	28,018,000	29,266,000	29,529,000	28,356,000	27,345,000	27,472,000	27,211,000	28,600,000	29,538,000	30,260,000	30,439,000	28,800,000	28,525,000	27,660,000	26,520,000	26,225,000	24,133,000	18,979,000	21,862,000	18,399,000	14,245,000	14,001,000	15,410,000	14,032,000	14,869,000	15,180,000	15,545,000	15,325,000	15,391,000	14,887,000	14,492,000	14,437,000	14,084,000	13,763,000	13,358,000	12,971,000	13,212,000	13,042,000	12,066,000	11,377,000	11,241,000	11,437,000	10,300,000	9,792,000	9,979,000	9,934,000	10,152,000	10,052,000	9,113,000	5,822,000	5,172,000	5,179,000	5,286,000	5,250,000	5,910,000	5,835,000	6,094,000	5,994,000	5,975,000	6,244,000	7,712,000	6,476,000	6,261,000	6,036,000	5,836,000	5,490,000	4,547,000	3,904,000	3,800,000	3,611,000	3,593,000	2,975,000	2,621,000	2,396,000	1,934,000	1,602,000	1,679,000	1,582,000	1,787,000	1,246,000	1,147,000	1,175,000	1,284,000	1,252,000	1,275,000	1,351,000		1,404,000
non-cash operating lease costs	7,935,000	7,849,000	7,943,000	8,265,000	8,180,000	8,204,000	8,392,000	8,551,000	9,746,000	10,064,000	10,167,000	9,664,000	9,708,000	9,700,000	9,663,000	9,438,000	9,522,000	9,717,000	9,698,000	9,408,000	10,761,000	10,267,000	8,703,000
deferred income taxes	-17,096,000	-27,268,000	-11,944,000	-21,286,000	-18,302,000	-17,732,000	-11,203,000	-23,430,000	-35,599,000	-24,422,000	-25,070,000	-11,288,000	-13,124,000	-9,425,000	-6,407,000	1,162,000	-60,130,000	-17,268,000	-694,000	2,936,000	-996,000	7,067,000	-1,714,000	-2,731,000	6,565,000	892,000	2,714,000	1,569,000	1,599,000	3,416,000	14,226,000	-3,319,000	-1,093,000	2,731,000	-2,945,000	-6,328,000	1,871,000	3,187,000	4,237,000	-7,368,000	-3,990,000	-1,444,000	231,000	1,299,000	-898,000	5,211,000	-8,702,000	4,075,000	-2,288,000	-48,000	-1,265,000	-3,236,000	588,000	-1,047,000	-598,000	4,874,000	693,000	-192,000	-888,000	-2,416,000	5,319,000	-1,193,000	6,533,000	-7,409,000	377,000	-928,000	1,903,000	-6,084,000	259,000	13,000	206,000	-1,777,000	900,000	8,725,000	-1,419,000	-10,406,000	10,379,000	9,711,000	9,262,000
other	172,000	2,123,000	1,623,000	2,097,000	-230,000	-3,551,000	722,000	-765,000	259,000	1,520,000	358,000	682,000	1,024,000	684,000	-1,123,000	133,000	499,000	-202,000	307,000	1,954,000	114,000	85,000	-31,000
changes in operating assets and liabilities
accounts receivable	19,559,000	105,463,000	-98,188,000	29,253,000	-31,869,000	125,282,000	-58,713,000	-14,803,000	45,824,000	1,520,000	-15,837,000	-14,468,000	-43,360,000	4,446,000	-77,223,000	42,396,000	-9,036,000	-25,233,000	-54,416,000	8,478,000	33,707,000	37,000,000	-32,683,000	-2,056,000	8,170,000	4,502,000	-28,921,000	2,056,000	-7,259,000	76,000	238,000	3,180,000	-1,143,000	19,175,000	-45,327,000	-5,575,000	2,581,000	12,748,000	-22,000	-18,586,000	1,599,000	-7,726,000	-13,967,000	69,000	-20,087,000	-3,131,000	-17,746,000	1,683,000	-12,348,000	16,054,000	-24,256,000	8,022,000	-10,090,000	4,462,000	-22,601,000	-11,464,000	-12,305,000	-675,000	-30,082,000	-9,715,000	-12,981,000	18,964,000	-2,633,000	-15,424,000	-1,232,000	10,492,000	-6,391,000	143,000	3,319,000	-3,736,000	-7,666,000	-14,066,000	-4,506,000	-6,218,000	-5,214,000	-6,391,000	-4,861,000	-2,079,000	-7,481,000		-3,461,000	-7,063,000	-5,640,000		-196,000
inventories	960,000	5,359,000	3,139,000	2,159,000	-8,777,000	-33,920,000	34,000	10,228,000	4,643,000	8,452,000	9,168,000	-24,578,000	-15,904,000	-7,088,000	1,260,000	594,000	1,922,000	1,884,000	1,443,000	928,000	2,116,000	1,439,000	2,020,000	1,609,000	-2,546,000	-1,904,000	-991,000	754,000	-1,810,000	-400,000	722,000	1,211,000	1,503,000	1,130,000	374,000	-247,000	1,375,000	-1,608,000	146,000	-3,690,000	-684,000	-1,761,000	-3,111,000	-1,328,000	-2,433,000	-1,659,000	-25,000	-767,000	-297,000	760,000	-1,313,000	-373,000	-14,000	469,000	-344,000	792,000	213,000	29,000	632,000	-1,069,000	-1,274,000	-1,653,000	-1,000,000	-229,000	1,446,000	526,000	-5,414,000	-486,000	-1,085,000	1,611,000	483,000	1,150,000	-1,363,000	-2,185,000	32,000	2,126,000	-4,865,000	-326,000	68,000		-194,000	-367,000	-31,000		38,000
other current assets	-1,066,000	3,612,000	-57,069,000	-17,284,000	37,644,000	-2,234,000	-32,164,000	-17,471,000	-3,941,000	-22,945,000	-20,602,000	-38,558,000	-45,174,000	-16,610,000	-44,286,000	-51,658,000	269,000	-9,689,000	-23,250,000	-16,323,000	-13,969,000	-14,109,000	-5,494,000	-21,068,000	-18,646,000	-8,958,000	-26,777,000	4,017,000	6,097,000	-6,024,000	11,517,000	-15,953,000	-386,000	1,755,000	-306,000	-1,796,000	16,222,000	-15,734,000	-568,000	-406,000	-1,335,000	-4,672,000	-120,000	-28,000	14,348,000	-26,337,000	2,189,000	14,455,000	11,129,000	-24,219,000	-4,979,000	12,854,000	3,400,000	-13,373,000	-3,879,000	-452,000	16,250,000	-15,569,000	7,771,000	-6,684,000	-5,899,000	-3,158,000	-1,323,000	5,678,000	865,000	-4,256,000	-2,810,000	6,023,000	3,057,000	-9,775,000	1,123,000	-395,000	2,125,000	-7,568,000	1,418,000	-3,451,000	-391,000	-2,053,000	317,000		-2,161,000	8,000	-1,226,000		901,000
other assets	-39,898,000	6,110,000	-34,544,000	-74,451,000	-1,310,000	-19,152,000	2,949,000	3,360,000	3,877,000	10,606,000	-1,252,000	-36,608,000	-22,507,000	-6,119,000	-21,774,000	-52,088,000	-29,499,000	-2,412,000	-26,654,000	-20,031,000	-1,361,000	-6,309,000	2,011,000	-13,957,000	-11,468,000	2,840,000	-157,000	514,000	1,043,000	-415,000	-696,000	-1,631,000	517,000	-1,333,000	391,000	-1,261,000	675,000	-171,000	45,000	132,000	-41,000	18,000	460,000	-1,446,000	201,000	619,000	-1,876,000	-834,000	896,000	193,000	428,000	110,000	-932,000	126,000	562,000	446,000	-225,000	73,000	-213,000	185,000	387,000	260,000	-2,298,000	286,000	-617,000	259,000	-154,000	-1,871,000	-350,000	-425,000	-898,000	310,000	-536,000	-57,000	-1,209,000	-1,000	436,000	-1,133,000	-259,000		-11,000	-9,000	-111,000		-548,000
accounts payable and accrued liabilities	14,813,000	-40,398,000	6,554,000	62,721,000	-1,423,000	-7,483,000	-13,447,000	16,508,000	-20,074,000	-39,553,000	-19,981,000	52,561,000	2,251,000	-10,262,000	-25,387,000	9,347,000	28,115,000	9,396,000	-23,925,000	36,280,000	398,000	21,670,000	-23,606,000	36,778,000	21,186,000	14,724,000	2,022,000	23,006,000	-11,115,000	2,908,000	-8,216,000	16,254,000	-6,802,000	-16,010,000	37,082,000	42,139,000	-10,766,000	-1,917,000	3,761,000	19,896,000	12,430,000	-19,091,000	26,286,000	19,998,000	-5,632,000	-29,638,000	33,611,000	9,370,000	-5,823,000	-23,168,000	36,411,000	13,042,000	-7,022,000	-22,643,000	26,576,000	10,390,000	-3,167,000	-404,000	13,657,000	12,003,000	13,437,000	-6,412,000	-6,871,000	12,738,000	-5,245,000	-11,303,000	14,058,000	13,560,000	-6,194,000	-3,232,000	-128,000	7,886,000	-2,689,000	1,929,000	9,466,000	-815,000	4,980,000	3,280,000	5,643,000		310,000	986,000	2,061,000		221,000
deferred revenue	34,363,000	-23,660,000	148,300,000	25,375,000	-39,392,000	-18,135,000	54,990,000	-16,313,000	-4,879,000	34,393,000	68,540,000	54,275,000	37,569,000	23,238,000	76,065,000	49,232,000	73,706,000	7,300,000	86,193,000	-2,420,000	-6,053,000	4,131,000	39,856,000	31,605,000	1,067,000	11,924,000	66,122,000	-12,386,000	17,167,000	19,268,000	26,967,000	20,444,000	14,273,000	15,341,000	44,006,000	14,073,000	13,510,000	5,112,000	54,236,000	40,765,000	21,957,000	40,318,000	43,521,000	19,310,000	29,612,000	20,003,000	36,353,000	11,007,000	29,097,000	10,103,000	33,268,000	13,419,000	21,021,000	32,415,000	36,732,000	21,423,000	8,536,000	25,552,000	28,393,000	19,756,000	13,151,000	15,059,000	28,297,000	13,257,000	9,398,000	4,535,000	10,940,000	6,034,000	16,348,000	12,464,000	9,636,000	12,560,000	8,032,000	6,548,000	8,348,000	6,774,000	5,640,000	4,574,000	3,779,000		4,427,000	3,432,000	982,000		1,794,000
lease liabilities	-7,357,000	-9,478,000	-10,051,000	-12,328,000	-10,625,000	-11,822,000	-9,892,000	-10,993,000	-12,060,000	-11,532,000	-10,608,000	-13,339,000	-12,576,000	-11,958,000	-14,173,000	-13,182,000	-12,936,000	-13,828,000	-11,619,000	-11,795,000	-12,508,000	-15,731,000	-10,217,000
net cash from operating activities	282,219,000	256,597,000	202,782,000	246,505,000	158,959,000	221,637,000	165,318,000	189,801,000	165,054,000	140,923,000	157,631,000	154,355,000	71,401,000	126,509,000	90,366,000	197,053,000	182,304,000	128,476,000	137,363,000	175,904,000	159,174,000	181,808,000	144,012,000	206,086,000	150,345,000	193,552,000	197,858,000	204,305,000	182,051,000	184,755,000	189,957,000	213,065,000	162,564,000	175,340,000	189,312,000	204,070,000	170,476,000	133,118,000	203,871,000	183,343,000	172,507,000	142,296,000	186,395,000	169,865,000	138,234,000	81,967,000	158,926,000	147,995,000	126,230,000	80,662,000	144,806,000	148,555,000	113,399,000	101,604,000	131,879,000	121,494,000	101,076,000	91,229,000	103,139,000	86,391,000	75,309,000	77,920,000	73,992,000	58,616,000	46,239,000	39,208,000	57,918,000	58,945,000	55,804,000	36,949,000	41,994,000	47,661,000	38,200,000	36,951,000	46,838,000	18,008,000	37,279,000	35,618,000	34,473,000		21,183,000	17,559,000	13,509,000		10,586,000
capex	-8,543,000	-10,503,000	-8,073,000	-6,060,000	-5,849,000	-9,455,000	-9,048,000	-15,382,000	-15,009,000	-10,689,000	-13,104,000	-8,507,000	-9,325,000	-5,228,000	-10,564,000	-7,117,000	-9,444,000	-9,393,000	-4,697,000	-12,083,000	-12,394,000	-13,159,000	-22,304,000	-20,534,000	-32,952,000	-29,010,000	-21,046,000	-17,391,000	-19,828,000	-9,755,000	-6,491,000	-7,506,000	-7,460,000	-9,582,000	-14,133,000	-17,579,000	-16,116,000	-16,501,000	-13,292,000	-18,592,000	-21,213,000	-10,183,000	-10,319,000	-7,082,000	-5,517,000	-5,139,000	-4,980,000	-5,149,000	-6,665,000	-6,981,000	-7,788,000	-11,323,000	-5,726,000	-6,961,000	-5,857,000	-9,901,000	-8,840,000	-6,213,000	-5,491,000	-2,506,000	-3,279,000	-3,192,000	-3,648,000	-3,437,000	-1,775,000	-2,569,000	-3,888,000	-4,722,000	-12,763,000	-5,563,000	-4,875,000	-4,792,000	-4,519,000	-4,538,000	-2,605,000	-2,869,000	-9,484,000	-5,173,000	-3,874,000		-3,268,000	-1,409,000	-2,082,000		-2,631,000
free cash flows	273,676,000	246,094,000	194,709,000	240,445,000	153,110,000	212,182,000	156,270,000	174,419,000	150,045,000	130,234,000	144,527,000	145,848,000	62,076,000	121,281,000	79,802,000	189,936,000	172,860,000	119,083,000	132,666,000	163,821,000	146,780,000	168,649,000	121,708,000	185,552,000	117,393,000	164,542,000	176,812,000	186,914,000	162,223,000	175,000,000	183,466,000	205,559,000	155,104,000	165,758,000	175,179,000	186,491,000	154,360,000	116,617,000	190,579,000	164,751,000	151,294,000	132,113,000	176,076,000	162,783,000	132,717,000	76,828,000	153,946,000	142,846,000	119,565,000	73,681,000	137,018,000	137,232,000	107,673,000	94,643,000	126,022,000	111,593,000	92,236,000	85,016,000	97,648,000	83,885,000	72,030,000	74,728,000	70,344,000	55,179,000	44,464,000	36,639,000	54,030,000	54,223,000	43,041,000	31,386,000	37,119,000	42,869,000	33,681,000	32,413,000	44,233,000	15,139,000	27,795,000	30,445,000	30,599,000		17,915,000	16,150,000	11,427,000		7,955,000
investing activities
purchases of investments	-2,500,000	0	-1,900,000	-500,000	-600,000	0	-1,000,000	0	-1,100,000	-9,000	-680,000	-2,770,000	-4,799,000	-17,510,000	-36,205,000	-216,906,000	-189,534,000	-22,960,000	-42,765,000	-193,544,000	-195,573,000	-14,566,000	-180,557,000	-392,878,000	978,000	-20,203,000	-190,884,000	-356,340,000	-145,670,000	-114,782,000	-238,632,000	-191,452,000	-109,150,000	-47,253,000	-98,983,000	-129,482,000	-86,301,000	-31,585,000	-107,340,000	-262,192,000	-92,864,000	-76,883,000	-177,936,000	-128,590,000	-97,626,000	-141,987,000	-147,534,000	-194,014,000	-297,579,000	-133,864,000	-313,114,000	-279,360,000	-298,090,000	-219,904,000	-262,499,000	-286,785,000	-251,652,000	-189,661,000	-251,499,000	-305,931,000	-239,662,000	-211,738,000	-119,672,000	-85,163,000	-163,084,000	-83,411,000	-83,199,000	-72,385,000	-153,249,000	-66,591,000	-201,857,000	-193,659,000	-303,031,000	-224,988,000	-180,572,000	-181,268,000	-136,287,000
maturities of investments				817,000	0	2,507,000	2,913,000	7,817,000	7,740,000	32,254,000	63,519,000	81,985,000	82,023,000	58,211,000	38,138,000	32,379,000	38,189,000	57,359,000	69,352,000	220,794,000	84,379,000	87,195,000	150,697,000	117,397,000	156,204,000	200,063,000	151,537,000	143,651,000	108,518,000	73,190,000	113,771,000	118,571,000	84,218,000	81,916,000	105,744,000	173,916,000	71,740,000	77,579,000	95,586,000	69,427,000	140,127,000	130,791,000	120,982,000	86,231,000	95,652,000	174,074,000	168,026,000	104,546,000	180,240,000	163,948,000	165,193,000	148,591,000	208,339,000	229,569,000	198,102,000							148,272,000	82,323,000	72,019,000	93,050,000	72,785,000	90,256,000
acquisition of businesses, net of cash acquired	-14,070,000			0	0			0	-43,000			0	0	0	-67,911,000	0	0	-410,072,000	-1,247,000	0	0			0																				0				-87,724,000	0			0	0
purchases of property and equipment	-8,543,000	-10,503,000	-8,073,000	-6,060,000	-5,849,000	-9,455,000	-9,048,000	-15,382,000	-15,009,000	-10,689,000	-13,104,000	-8,507,000	-9,325,000	-5,228,000	-10,564,000	-7,117,000	-9,444,000	-9,393,000	-4,697,000	-12,083,000	-12,394,000	-13,159,000	-22,304,000	-20,534,000	-32,952,000	-29,010,000	-21,046,000	-17,391,000	-19,828,000	-9,755,000	-6,491,000	-7,506,000	-7,460,000	-9,582,000	-14,133,000	-17,579,000	-16,116,000	-16,501,000	-13,292,000	-18,592,000	-21,213,000	-10,183,000	-10,319,000	-7,082,000	-5,517,000	-5,139,000	-4,980,000	-5,149,000	-6,665,000	-6,981,000	-7,788,000	-11,323,000	-5,726,000	-6,961,000	-5,857,000	-9,901,000	-8,840,000	-6,213,000	-5,491,000	-2,506,000	-3,279,000	-3,192,000	-3,648,000	-3,437,000	-1,775,000	-2,569,000	-3,888,000	-4,722,000	-12,763,000	-5,563,000	-4,875,000	-4,792,000	-4,519,000	-4,538,000	-2,605,000	-2,869,000	-9,484,000	-5,173,000	-3,874,000	-2,534,000	-3,268,000	-1,409,000	-2,082,000	-1,040,000	-2,631,000	-1,353,000	-751,000				-954,000		-850,000
net cash from investing activities	-25,113,000	-20,603,000	-9,973,000	-5,743,000	-6,449,000	-39,887,000	-7,135,000	-7,565,000	-8,412,000	-9,532,000	61,902,000	70,722,000	109,475,000	79,912,000	-41,993,000	-191,644,000	-159,254,000	-115,080,000	20,643,000	15,814,000	-46,803,000	-686,613,000	-29,400,000	-294,049,000	-213,541,000	153,349,000	-60,393,000	-228,098,000	-55,419,000	-51,345,000	-121,125,000	-79,372,000	-7,323,000	54,539,000	-129,000	29,335,000	-15,562,000	29,462,000	19,485,000	-204,977,000	145,183,000	114,637,000	-65,542,000	20,316,000	-10,480,000	70,639,000	70,166,000	-108,400,000	-123,988,000	13,335,000	-133,417,000	-85,156,000	-95,482,000	-104,270,000	-67,371,000	-55,643,000	26,623,000	-13,520,000	-97,179,000	-54,708,000	-75,838,000	-66,679,000	-40,998,000	-16,573,000	-71,828,000	-13,903,000	3,195,000	-41,069,000	-45,642,000	133,478,000	-33,057,000	-46,435,000	-50,143,000	-29,346,000	-62,217,000	-23,842,000	-44,522,000	-48,455,000	-87,590,000		-50,799,000	-43,275,000	-36,120,000		-14,317,000
financing activities
proceeds from the exercise of stock options and purchases of stock under employee stock purchase plan	35,147,000	176,000	23,695,000	211,000	32,311,000	681,000	21,876,000	462,000	37,036,000	281,000	22,180,000	859,000	35,053,000	1,047,000	27,581,000	1,054,000	36,011,000	1,491,000	27,196,000	836,000	30,556,000	484,000	20,959,000	143,000	26,555,000	0	18,900,000	0	28,901,000	2,000	19,915,000	80,000	28,091,000	32,000	18,836,000	21,000	26,254,000	120,000	18,474,000	13,000	23,771,000	82,000	16,573,000	52,000	21,330,000	729,000	13,188,000	186,000	17,365,000	457,000	11,583,000	232,000	14,849,000	516,000	9,577,000	108,000	11,913,000	376,000	8,842,000	2,332,000	10,189,000	5,422,000	13,727,000		9,442,000	444,000	5,440,000		7,583,000	3,574,000	5,918,000		9,158,000	4,678,000	7,131,000		5,466,000
payments for repurchase of common stock, including excise taxes	-125,009,000	-127,058,000	-125,010,000
taxes paid related to net share settlement of equity awards	-3,518,000	-2,715,000	-13,368,000	-1,571,000	-1,285,000	-1,837,000	-6,830,000	-1,840,000	-1,544,000	-2,788,000	-7,037,000	-2,118,000	-2,091,000	-3,221,000	-13,595,000	-3,112,000	-2,992,000	-3,447,000	-4,481,000
net cash from financing activities	-93,380,000	-129,597,000	-114,683,000	-101,871,000	-118,992,000	-101,167,000	-134,972,000	-61,386,000	-214,544,000	-2,507,000	-374,862,000	-6,259,000	-222,038,000	-132,186,000	-116,025,000	-7,058,000	28,019,000	-506,956,000	17,715,000	-56,707,000	25,556,000	347,435,000	20,959,000	143,000	26,555,000	-100,013,000	-82,132,000	-150,017,000	-121,117,000	-150,019,000	-130,110,000	-149,397,000	-120,700,000	-147,690,000	-128,245,000	-148,990,000	-123,552,000	-199,738,000	-180,367,000	-147,076,000	-123,804,000	-155,253,000	-130,769,000	-147,820,000	-125,865,000	-144,645,000	-186,630,000	-49,379,000	-31,374,000	-47,651,000	-37,914,000	-48,823,000	-31,181,000	-45,730,000	-23,497,000	-146,490,000	-34,152,000	-39,996,000	-6,026,000	-7,555,000	-3,092,000	-9,563,000	3,412,000	-19,963,000	-6,188,000	-27,695,000	-16,860,000	-48,130,000	-43,716,000	-96,714,000	6,841,000	4,916,000	13,315,000	8,509,000	8,746,000	22,602,000	5,466,000	17,128,000	19,949,000		19,480,000	23,794,000	21,331,000		3,839,000
net increase in cash, cash equivalents and restricted cash	163,726,000	106,397,000	78,126,000	138,891,000	33,518,000	80,583,000	23,211,000							74,235,000	-67,652,000	-1,649,000			175,721,000	135,011,000	137,927,000	-157,370,000	135,571,000		-36,641,000	246,888,000	55,333,000
effect of exchange rate changes on cash, cash equivalents and restricted cash	4,048,000	1,962,000	-3,568,000	926,000	-1,403,000	-485,000	2,264,000	-1,604,000	750,000	-100,000	3,079,000	-2,732,000	-2,636,000	-136,000	-861,000	-1,181,000	613,000	-1,161,000	1,655,000	289,000	234,000	-1,910,000	820,000	-1,289,000	154,000	-311,000	46,000
cash, cash equivalents and restricted cash, beginning of period	0	0	1,078,340,000		0	0	800,835,000		0	0	762,207,000		0	0	584,333,000		0	0	852,826,000		0	0	602,254,000		0	0	425,894,000
cash, cash equivalents and restricted cash, end of period	167,774,000	108,359,000	1,152,898,000		32,115,000	80,098,000	826,310,000		-57,152,000	128,784,000	609,957,000		-43,798,000	74,099,000	515,820,000		51,682,000	-494,721,000	1,030,202,000		138,161,000	-159,280,000	738,645,000		-36,487,000	246,577,000	481,273,000
supplemental disclosures of cash flow information
cash paid for amounts included in the measurement of operating lease liabilities	11,293,000	11,977,000	10,851,000		12,024,000	13,187,000	12,982,000		13,419,000	13,535,000	13,665,000		13,769,000	13,846,000	16,500,000		15,369,000	15,777,000	15,032,000		15,332,000	17,360,000	12,707,000
supplemental disclosures of non-cash activities
right-of-use assets obtained in exchange for lease obligations	305,000	1,809,000	35,084,000		4,505,000	2,421,000	4,846,000		967,000	3,384,000	6,193,000		-204,000	0	818,000		2,099,000	7,909,000	1,614,000		0	4,888,000	394,315,000
changes in operating assets and liabilities:
impairment of assets								0				0	0	0	6,175,000	0	0	33,825,000	6,873,000
sales of investments								0	0	3,918,000	12,167,000	14,000	41,576,000	44,439,000	34,549,000	0	1,535,000			647,000	76,785,000	209,491,000	22,764,000	1,966,000	273,779,000			1,988,000	1,500,000	0	9,248,000	1,001,000	25,120,000	29,526,000	11,211,000	4,012,000	15,094,000	0	47,742,000	6,891,000	119,190,000	76,518,000	2,693,000	69,703,000	46,471,000	43,659,000	54,660,000	73,840,000	0	115,151,000	23,020,000	56,925,000	0	21,633,000	2,886,000															205,717,000	174,589,000	359,164,000	257,203,000	200,381,000	120,968,000	160,298,000	101,297,000	98,604,000	57,618,000
payments on term debt agreement								0	0	0	-350,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000	-5,000,000
cash, cash equivalents and restricted cash, beginning of year
cash, cash equivalents and restricted cash, end of year
payments for repurchase of common stock					-150,018,000	-100,011,000	-150,018,000
cash paid for interest on long-term debt									0	0	2,970,000		1,904,000	1,131,000	1,252,000		1,279,000	1,354,000	1,370,000		2,241,000
repurchase of common stock								-60,008,000	-250,036,000	0	-40,005,000	0	-250,000,000	-125,012,000	-125,011,000	0	0			-50,007,000	0			0	0	-100,013,000	-101,032,000	-150,017,000	-150,018,000	-150,021,000	-150,025,000	-150,025,000	-150,023,000	-150,021,000	-150,021,000	-150,023,000	-150,024,000	-200,042,000	-200,035,000	-149,995,000	-150,000,000	-156,883,000	-149,980,000	-150,000,000	-150,542,000	-150,000,000	-200,000,000	-50,000,000	-50,000,000	-50,000,000	-50,000,000	-50,000,000	-50,000,000	-50,303,000	-34,473,000	-150,000,000	-50,000,000	-46,528,000	-24,998,000	-20,000,000	-20,000,000	-20,000,000	-15,000,000	-24,125,000	-15,874,000	-27,437,000	-20,000,000	-50,000,000	-50,000,000
net decrease in cash, cash equivalents and restricted cash											-155,329,000
proceeds from term debt agreement																				0	0
payments for debt issuance costs																				0	0
non-cash provisions for exit costs
cash from sale of fixed assets
capitalized leasehold improvements paid directly by landlord																								461,000	5,673,000	13,430,000	15,384,000
realized gain on disposition of assets and investments																													12,000							671,000	-9,000			351,000	-46,000	-30,000	7,000		-59,000							-6,000	95,000	-122,000	579,000	40,000	-21,000						1,000
provisions for doubtful accounts and sales returns																								491,000	155,000	-298,000	208,000	-33,000	803,000	98,000	593,000	-19,000	-70,000	164,000	291,000	650,000	354,000	225,000	297,000	220,000	-43,000	966,000	345,000	761,000	499,000	442,000	1,168,000	441,000	6,000	229,000	349,000	511,000	428,000	218,000	415,000	529,000	467,000	-242,000	228,000	412,000	-463,000	308,000	949,000	86,000	-337,000	-87,000	2,976,000		414,000	797,000	676,000		-45,000	322,000	724,000		136,000
acquisition of intangible assets																																0	0	0	-4,000,000	-1,500,000	0	0	-3,250,000	-555,000	0	-5,219,000	-1,005,000									0	0			-5,635,000	0							0	-2,000															269,000
cash from sale of fixed asset																												0	0	0	1,000,000
excess tax benefit from stock-based compensation																																548,000	1,232,000	2,299,000	2,940,000	1,012,000	218,000	184,000	1,194,000	2,906,000	2,425,000	1,548,000	2,638,000	2,128,000	3,347,000	4,626,000	182,000	435,000	1,261,000	1,892,000	503,000	945,000	3,970,000
net increase cash, cash equivalents and restricted cash
cash paid for taxes, net of refunds
realized loss on disposition of assets and investments																									559,000	4,000	43,000				49,000				30,000				27,000												26,000
realized (gain) loss on disposition of assets and investments																																24,000	-456,000														-59,000	3,000	27,000										-212,000	-8,000	-104,000
decrease (increase) in restricted cash																												-6,000									21,000						43,000	54,000	-21,000
net increase in cash and cash equivalents																												-173,810,000	5,515,000	-16,609,000	-61,278,000	-15,704,000	34,541,000	82,189,000	60,938,000	84,415,000	31,362,000	-37,158,000	42,989,000	-168,710,000	193,886,000	101,680,000	-9,916,000	42,361,000	1,889,000	7,961,000	42,462,000			46,346,000	-26,525,000	14,576,000	-13,264,000	-48,396,000	41,011,000	-80,639,000	93,547,000	37,713,000	-66,000	24,128,000	-3,621,000	1,678,000	36,406,000	22,080,000	-31,777,000	-2,390,000	44,253,000	-30,254,000	-33,554,000	73,713,000	15,778,000	6,142,000	1,372,000								-10,136,000	-1,922,000	-1,280,000		108,000
effect of exchange rate changes on cash and cash equivalents																												-751,000	-2,164,000	530,000	46,000	-1,980,000	598,000	650,000	-2,575,000	559,000	-90,000	2,186,000	-152,000	-3,010,000	689,000	-3,029,000	-2,632,000	-2,832,000	248,000	547,000	-827,000	1,197,000	-2,250,000	-1,247,000	-93,000	998,000	-588,000	367,000	-307,000	-2,381,000	42,000	369,000	-555,000	813,000	-1,090,000	-439,000	42,000	468,000	378,000	-229,000	-249,000	-627,000	-18,000	-481,000	-550,000	114,000	-166,000	-365,000	-28,000	-185,000	-63,000	-18,000	31,000											-22,000	59,000
cash and cash equivalents, beginning of year
cash and cash equivalents, end of year
cash paid for taxes
cash and cash equivalents, beginning of period																													0	0	673,228,000		0	0	514,571,000		0	0	390,460,000		0	0	281,502,000		0	0	189,693,000		0	0	211,181,000		0	0	216,784,000		0	0	168,754,000		0	0	110,837,000		0	0	78,303,000		0	0	54,296,000		0	0	37,746,000		0	0	51,867,000
cash and cash equivalents, end of period																													3,351,000	-16,079,000	611,996,000		35,139,000	82,839,000	572,934,000		31,272,000	-34,972,000	433,297,000		194,575,000	98,651,000	268,954,000		2,137,000	8,508,000	231,328,000		-31,382,000	45,099,000	184,563,000		-13,852,000	-48,029,000	257,488,000		93,589,000	38,082,000	168,133,000		-4,711,000	1,239,000	147,285,000		-31,399,000	-2,619,000	122,307,000		-33,572,000	73,232,000	69,524,000		1,206,000	15,749,000	31,085,000		-1,840,000	4,273,000	18,730,000
increase in restricted cash																														2,000	-21,000	14,000	-51,000							44,000	-57,000						-6,000	101,000	16,000	-1,000	-728,000	11,000	-5,000	-22,000	-3,000
supplemental information
decrease in restricted cash																																			32,000				39,000
changes in operating assets and liabilities, net of amounts acquired:
net decrease in cash and cash equivalents																																																																											-6,633,000		-1,777,000	4,291,000	-33,168,000
gain on auction rate securities put option																																																												0	-1,510,000			-113,000	389,000
loss on trading auction rate securities																																																												0				113,000	-389,000
excess tax benefits from stock-based compensation																																																							1,399,000		3,935,000	6,156,000	10,130,000
excess tax benefit (loss) from stock-based compensation
sales and maturities of investments																																																									287,559,000	182,357,000	159,850,000	251,173,000
investment of restricted cash																																																									-444,000	77,000	-39,000		-4,000	-21,000	-1,000	8,000	-17,000	-4,000	26,000			-80,000	76,000	-4,000	204,000	-201,000	-8,000	-3,000	-48,000	-2,000	4,000						0
loss on auction rate securities put option																																																															519,000
gain on trading auction rate securities																																																															-519,000
receipt of restricted cash
excess tax benefits from share-based compensation																																																												10,113,000
(gain) loss on trading auction rate securities
tax benefit (loss) from nonqualified stock options																																																														5,015,000	4,685,000
supplemental disclosure of non-cash financing activities:
unrealized loss on investments																																																														-85,000	3,582,000		-686,000	536,000	3,859,000		1,346,000
in-process research and development
tax (loss) benefit from nonqualified stock options
proceeds from the exercise of stock options and the purchase of stock under employee stock purchase plan
loss on disposition of assets and investments																																																																					49,000
tax expense from nonqualified stock options
gain on disposition of assets and investments																																																																		15,000	-2,000
tax benefit from nonqualified stock options																																																																		-702,000	-2,300,000		-1,299,000	-288,000	923,000	2,594,000	4,157,000	3,831,000	1,615,000								11,892,000
acquisition of business, net of cash acquired																																																																					0	-5,000	-990,000						0	0	-42,778,000
realized loss on disposition of assets																																																																															4,000
realized (gain) loss on sale of investments
stock based compensation																																																																														5,593,000	5,250,000
benefit from doubtful accounts and sales returns																																																																															273,000	338,000	534,000	342,000	205,000	227,000	-283,000	748,000	497,000	261,000	509,000	-67,000	445,000		1,799,000
loss on disposition of assets																																																																									6,000	0	1,000		132,000				1,000	31,000	7,000
loss on disposition of investments																																																																							-15,000		-10,000	-6,000	-2,000
realized loss on sale of investments																																																																																													-21,000
tax benefit from employee stock option plans																																																																																0	7,939,000
realized gain on disposition of assets
proceeds from secondary offering, net of issuance costs
proceeds from the exercise of stock options																																																																															19,949,000				21,331,000			13,326,000	4,441,000
purchase of investments																																																																															-98,560,000		-120,045,000	-78,004,000	-120,260,000	-27,594,000	-30,714,000	-98,929,000	-177,994,000	-20,990,000	-51,961,000	-23,246,000	-61,637,000		-44,576,000
proceeds from the sale of property and equipment
realized gain on sale of investments																																																																																										0	-1,000
amortization of unearned compensation																																																																																				0	0	0	10,000	6,000	6,000	5,000	66,000		106,000
deferred tax assets																																																																																	-1,780,000	-6,059,000	-6,205,000
sale of investments																																																																																	74,710,000	36,133,000	86,593,000	18,990,000	45,927,000	71,403,000	69,342,000	30,433,000	50,218,000	22,245,000	46,828,000		31,250,000
investment in restricted cash																																																																																	-63,000	5,000	24,000
proceeds from public offering, net of issuance costs																																																																																					0	0	113,636,000
sale of stock to employees under stock option plans and espp																																																																																	19,480,000
effect of exchange rate differences																																																																																	-69,000	-89,000	182,000		-105,000	-11,000	259,000
cash and cash equivalents, at beginning of period																																																																																	0	0	24,901,000		0	0	10,351,000		0	0	20,801,000
cash and cash equivalents, at end of period																																																																																	-10,205,000	-2,011,000	23,803,000		3,000	-5,550,000	27,712,000		5,478,000	3,939,000	9,581,000
acquisition of business																																																																																		0	-395,000
restructuring charges
provisions for asset write downs
benefit from inventory write downs
changes in operating assets and liabilities, net of
cash and cash equivalents, at beginning of year
cash and cash equivalents, at end of year
realized gain on sale of assets																																																																																											-10,000
proceeds from the exercise of stock options and employee stock purchase plan
realized (gain) loss on sale of assets																																																																																								0	-4,000
proceeds from construction refund
proceeds from the issuance of common stock and warrants to nokia
proceeds from the exercise of stock options and warrants																																																																																								4,062,000	4,554,000	2,430,000	1,787,000
proceeds from payments on shareholder loan
cancellation of note receivable from shareholder for common stock
deferred compensation for options granted
reduction to deferred compensation due to cancelled stock option grants
benefit from asset write downs																																																																																													326,000
proceeds from sale of property and equipment																																																																																									4,000	0	10,000
purchase of property and equipment																																																																																									-567,000
liquidity and capital resources
working capital
cash and cash equivalents
cash from operating activities
cash from investing activities
cash from financing activities
operating activities:
loss on sale of assets
investing activities:
proceeds from leasehold improvement refund
financing activities:
proceeds from the issuance of common stock
cash and cash equivalents at beginning of period																																																																																													0
cash and cash equivalents at end of period																																																																																													-9,907,000
cash flows from operating activities:
provisions for inventory write downs
cash flows from investing activities:
cash flows from financing activities:
cash flows from operating activities:
adjustments to reconcile net income (loss) to net cash from operating activities:
gain on sale of assets
unrealized gain on investments
tax benefit from exercise of stock options
cash flows from investing activities:
cash flows from financing activities:
proceeds from issuance of common stock in an initial public offering
proceeds from secondary public offering, net of issuance costs
proceeds from the issuance of common stock to nokia
proceeds from the exercise of stock options and warrants

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