Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Oct. 02, 2011	Apr. 03, 2011
Current assets:
Allowance for doubtful accounts	$ 1,611	$ 1,536
Stockholders' equity:
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	209,234,000	208,042,000
Treasury stock, shares	107,504,000	103,325,000