Stockholder's Equity (Common Stock Repurchases) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended		162 Months Ended
	Sep. 29, 2012	Jun. 30, 2012	Oct. 01, 2011	Jul. 02, 2011	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	May 04, 2012
Stockholders' Equity Note [Abstract]
Common stock purchased (shares)	398,509		361,200		1,112,558	406,978	9,255,340
Aggregate purchase price	$ 10,133		$ 8,292		$ 27,365	$ 9,812	$ 363,251
Average price per share for treasury shares	$ 25.43		$ 22.96		$ 24.60	$ 24.11	$ 39.25
Payment related to tax withholding for share-based compensation		$ 983		$ 1,521
Shares paid for tax withholding for share-based compensation (shares)		44,697		45,778
Average price per share for shares repurchased from employees for tax payment for share-based compensation		$ 21.99		$ 33.22
Stock repurchase programs, remaining number of shares authorized to be repurchased	244,660				244,660		244,660
Stock repurchase program, additional number of shares authorized to be repurchased								1,000,000