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Warranties (Activity for Estimated Warranty Liability) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 28, 2014
Jun. 29, 2013
Accrual for estimated warranties    
Balance at beginning of period $ 9,262 $ 8,202
Charged to costs and expenses 3,178 2,718
Payments and deductions (3,052) (2,411)
Balance at end of period $ 9,388 $ 8,509