v3.2.0.727
Product Warranties - Activity in Product Warranty Reserves (Detail) - Jun. 27, 2015 - USD ($)
Total
Total
Guarantees [Abstract]    
Balance at beginning of period $ 1,245,000 $ 1,245,000
Warranty charges 390,807 761,895
Warranty payments (300,807) (671,895)
Balance at end of period $ 1,335,000 $ 1,335,000