Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 30, 2011		Dec. 31, 2010		Dec. 30, 2011		Dec. 31, 2010
Earnings Per Share [Abstract]
Denominator-weighted average shares outstanding used in computing basic earnings per common share	51,308		54,357		52,594		55,145
Assumed conversion of the 2008 Notes	648		416		1,482		409
Assumed vesting of restricted stock	419		533		444		685
Assumed exercise of stock options	60	[1]	261	[1]	73	[1]	222	[1]
Denominator-weighted average shares outstanding used in computing diluted earnings per common share	52,435		55,567		54,593		56,461
Convertible Debt [Abstract]
Conversion price of convertible debt	$ 21.22				$ 21.22
Exercise price of warrants	$ 28.29				$ 28.29

[1] There were no anti-dilutive options outstanding as of December 30, 2011 and December 31, 2010.