Contingencies - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 30, 2018
Loss Contingencies [Line Items]
Accrual for litigation costs	$ 11.0	$ 12.8
Loss contingency, estimate of possible loss	10.0
Minimum
Loss Contingencies [Line Items]
Loss contingency, portion not accrued	0.1
Maximum
Loss Contingencies [Line Items]
Loss contingency, portion not accrued	3.7
Prepaid Expenses and Other Current Assets
Loss Contingencies [Line Items]
Insurance recoveries	$ 4.6	$ 6.1

Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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Amount of loss contingency liability.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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