CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2012	Mar. 31, 2012
Accounts receivable, allowance	$ 1,715	$ 1,480
Intangible assets, amortization	$ 71,102	$ 54,973
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	51,638,739	50,603,798
Common stock, shares outstanding (in shares)	51,638,739	50,603,798