CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Capital in Excess of Par value of Common Stock	Retained Earnings	Accumulated Other Comprehensive Income
Balance at Oct. 03, 2010	$ 766,443	$ 16,648	$ 543,628	$ 205,713	$ 454
Balance (in shares) at Oct. 03, 2010		83,240
Proceeds from exercise of stock options (in shares)		2,089
Proceeds from exercise of stock options	27,208	418	26,790
Tax withholding on restricted stock units	(1,538)		(1,538)
Grants and cancellations of restricted share awards (in shares)		1,477
Grants and cancellations of restricted share awards	0	295	(295)
Issuance of stock awards related to acquisition	15,293		15,293
Stock-based compensation	28,639		28,639
Other comprehensive income, net of tax	332				332
Net income	55,730			55,730
Balance at Oct. 02, 2011	892,107	17,361	612,517	261,443	786
Balance (in shares) at Oct. 02, 2011		86,806
Proceeds from exercise of stock options (in shares)		1,902
Proceeds from exercise of stock options	31,211	380	30,831
Tax withholding on restricted stock units	(808)		(808)
Grants and cancellations of restricted share awards (in shares)		1,574
Grants and cancellations of restricted share awards		315	(315)
Stock-based compensation	36,680		36,680
Other comprehensive income, net of tax	(1,529)				(1,529)
Net income	(29,675)			(29,675)
Balance at Sep. 30, 2012	927,986	18,056	678,905	231,768	(743)
Balance (in shares) at Sep. 30, 2012		90,282
Proceeds from exercise of stock options (in shares)		1,944
Proceeds from exercise of stock options	25,297	389	24,908
Tax withholding on restricted stock units	(836)		(836)
Grants and cancellations of restricted share awards (in shares)		1,614
Grants and cancellations of restricted share awards	0	323	(323)
Stock-based compensation	35,242		35,242
Other comprehensive income, net of tax	695				695
Net income	43,674			43,674
Balance at Sep. 29, 2013	$ 1,032,058	$ 18,768	$ 737,896	$ 275,442	$ (48)
Balance (in shares) at Sep. 29, 2013		93,840