v3.4.0.3
Property Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 01, 2016
Apr. 03, 2015
Apr. 01, 2016
Apr. 03, 2015
Property, Plant and Equipment [Abstract]        
Depreciation and amortization expense $ 5.2 $ 4.2 $ 9.5 $ 8.0