Goodwill and Other Intangible Assets, Acquired Intangible Assets (Details) - Acquired Finite-Lived Intangible Assets [Member] $ in Millions	3 Months Ended
	Apr. 01, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period for intangible assets subject to amortization	28 years
Estimated amortization expense, 2018 Remainder	$ 5.9
Estimated amortization expense, 2019	31.6
Estimated amortization expense, 2020	31.6
Estimated amortization expense, 2021	31.6
Estimated amortization expense, 2022	31.6
Estimated amortization expense, thereafter	$ 157.0