Balance Sheet Information - Narrative (Details) - USD ($) $ in Millions	Jun. 29, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets held-for-sale	$ 1.4	$ 5.3
Accrued pension liability	110.4	109.3
Current portion accrued pension liability	$ 0.3	0.2
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Proceeds from sale of assets held-for-sale		$ 5.5

Amount of assets held-for-sale that are not part of a disposal group.

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Amount of liability, recognized in statement of financial position, for defined benefit pension plan. Excludes other postretirement benefit plan.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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