Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 1.6	$ 2.2
Estimated amortization expense - 2017	4.7
Estimated amortization expense - 2018	2.7
Estimated amortization expense - 2019	2.7
Estimated amortization expense - 2020	2.7
Estimated amortization expense - 2021	2.7
Estimated amortization expense, thereafter	2.2
Capitalized software	$ 8.7		$ 8.8
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of the amortized intangible assets	10 years
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life	7 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life	12 years
Computer Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life	3 years