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Income Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Oct. 02, 2011
Sep. 30, 2012
Oct. 02, 2011
Income Per Share [Abstract]        
Income from continuing operations $ 11,780 $ 26,507 $ 30,221 $ 60,703
Shares:        
Weighted-average shares outstanding - basic 93,762 103,273 95,584 103,976
Dilutive potential common shares, using treasury stock method 187 289 575 700
Weighted-average shares outstanding - diluted 93,949 103,562 96,159 104,676
Income from continuing operations per share:        
Basic $ 0.13 $ 0.26 $ 0.32 $ 0.58
Diluted $ 0.13 $ 0.26 $ 0.31 $ 0.58