Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 01, 2018	Sep. 30, 2018
Loss Contingencies [Line Items]
Litigation related charges		$ 2.3
Settled Litigation
Loss Contingencies [Line Items]
Settlement amount related to unallowable costs	$ 2.3
Litigation related charges		$ 0.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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