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Special Charges - Summary of Special Charges (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Restructuring and Related Activities [Abstract]        
Exit costs $ 2,259 $ 4,349 $ 3,292 $ 13,953
Asset impairments      1,011 2,429
Other charges     500  
Special charges $ 2,259 $ 4,349 $ 4,803 $ 16,382