Stockholder's Equity (Common Stock Repurchases) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		159 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	May 04, 2012
Stockholders' Equity Note [Abstract]
Common stock purchased (shares)	714,049	45,778	8,856,831
Aggregate purchase price	$ 17,232	$ 1,521	$ 353,118
Average price per share for treasury shares	$ 24.13	$ 33.22	$ 39.87
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	643,169		643,169
Stock repurchase program, additional number of shares authorized to be repurchased				1,000,000