Unaudited Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Apr. 01, 2011
Unaudited Condensed Consolidated Balance Sheets (Parenthetical)
Allowance for doubtful accounts	$ 4,959	$ 5,809
Accumulated depreciation	155,217	142,235
Accumulated amortization	$ 15,890	$ 19,052
Preferred stock par value per share	$ 0.01	$ 0.01
Preferred stock shares authorized	1,000,000	1,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Common stock par value per share	$ 0.01	$ 0.01
Common stock shares authorized	150,000,000	150,000,000
Common stock shares issued	52,704,672	55,465,600
Common stock shares outstanding	52,704,672	55,465,600