Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2018	Jan. 31, 2018	Oct. 28, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Unasserted claim	$ 12.4
Offset Agreement
Loss Contingencies [Line Items]
Notional amount	194.0
Estimate of possible loss		$ 16.5
Accruals and payables and other long-term liabilties | Rimpar
Loss Contingencies [Line Items]
Estimate of environmental remediation cost			$ 0.5
New Hartford
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	2.3
Payments for environmental remediation	1.6
New Hartford | Other accruals and payables
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	0.1
New Hartford | Accruals and payables and other long-term liabilties
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	0.7
Bloomfield
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	2.2
Payments for environmental remediation	13.4
Environmental liability	10.3
Estimated remediation liability	$ 20.8
Discount rate (as a percent)	8.00%
Bloomfield | Other accruals and payables
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	$ 0.4
Rimpar
Loss Contingencies [Line Items]
Estimate of environmental remediation cost				$ 4.2
Payments for environmental remediation	0.2
Rimpar | Accruals and payables and other long-term liabilties
Loss Contingencies [Line Items]
Estimate of environmental remediation cost	0.3
Pension Costs
Loss Contingencies [Line Items]
Accrual for claims	0.3
Unasserted Claim
Loss Contingencies [Line Items]
Accrual for claims	$ 0.2