Stockholder's Equity (Common Stock Repurchases) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended		174 Months Ended
	Sep. 28, 2013	Jun. 29, 2013	Sep. 29, 2012	Jun. 30, 2012	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013
Stockholders' Equity Note [Abstract]
Common stock purchased (shares)	210,000		398,509		465,506	1,112,558	10,072,539
Aggregate purchase price	$ 5,985		$ 10,133		$ 12,748	$ 27,365	$ 384,526
Average purchase price (in dollars per share)	$ 28.50		$ 25.43		$ 27.38	$ 24.60	$ 38.18
Payment related to tax withholding for share-based compensation		$ 1,322		$ 983
Shares paid for tax withholding for share-based compensation (shares)		51,194		44,697
Average price per share for shares repurchased from employees for tax payment for share-based compensation		$ 25.82		$ 21.98
Stock repurchase programs, remaining number of shares authorized to be repurchased	427,461				427,461		427,461