Commitments and Contingencies - Schedule of Liabilities for Future Environmental Costs (Detail) $ in Millions	Oct. 02, 2020 USD ($)
Loss Contingencies [Line Items]
2021	$ 1.0
2022	0.5
2023	0.4
2024	0.4
2025	1.3
Thereafter	0.7
Total costs	4.3
Less imputed interest	0.3
Reserve amount	4.0
Recurring Costs
Loss Contingencies [Line Items]
2021	0.5
2022	0.3
2023	0.3
2024	0.3
2025	0.4
Thereafter	0.4
Total costs	2.2
Non-Recurring Costs
Loss Contingencies [Line Items]
2021	0.5
2022	0.2
2023	0.1
2024	0.1
2025	0.9
Thereafter	0.3
Total costs	$ 2.1

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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