Commitments and Contingencies - Schedule of Liabilities for Future Environmental Costs (Detail) $ in Millions	Oct. 02, 2015 USD ($)
Loss Contingencies [Line Items]
2016	$ 1.7
2017	1.1
2018	1.0
2019	0.7
2020	1.1
Thereafter	4.8
Total costs	10.4
Less imputed interest	1.6
Reserve amount	8.8
Recurring Costs
Loss Contingencies [Line Items]
2016	0.5
2017	0.5
2018	0.4
2019	0.5
2020	0.4
Thereafter	3.7
Total costs	6.0
Non-Recurring Costs
Loss Contingencies [Line Items]
2016	1.2
2017	0.6
2018	0.6
2019	0.2
2020	0.7
Thereafter	1.1
Total costs	$ 4.4