Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Loss that will be amortized from accumulated other comprehensive income in the next year	$ 0.6
Unrecognized net gains and losses from all sources, threshold	10.00%
Estimated future benefit payments 2017	$ 17.5
Estimated future benefit payments 2018	17.3
Estimated future benefit payments 2019	17.6
Estimated future benefit payments 2020	18.3
Estimated future benefit payments 2021	18.2
Estimated future benefit payments, from 2022 to 2024	91.3
Net defined contribution plan expense recognized	11.5	$ 12.0	$ 12.8
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Loss that will be amortized from accumulated other comprehensive income in the next year	(4.0)
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 150.8	174.2
Fixed-income investments, expected real rate of return	2.00%
Long-term rate of inflation	3.00%
Discount rate used to determine net postretirement benefit expense	4.01%
Lump sum payment	$ 19.3
Pre-tax non-cash settlement loss	$ (7.4)	$ 0.0	0.0
Discount rate used to determine accumulated postretirement benefit obligation	4.01%	4.30%
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 123.3	$ 110.4
Discount rate used to determine net postretirement benefit expense	2.55%
Pre-tax non-cash settlement loss	$ 0.0	$ (0.9)	$ (2.7)
Discount rate used to determine accumulated postretirement benefit obligation	2.55%	2.81%
Two Mutual Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets concentration	30.00%	43.00%
Debt Securities [Member] | U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation assumption to equity investments	35.00%
Equity investments, expected real rate of return	6.00%
Equity investment, actual asset allocation	36.00%	35.00%
Debt Securities [Member] | Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation assumption to equity investments	50.00%	39.00%
Actual asset allocation of other investments	52.00%
Equity Securities [Member] | U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation assumption to equity investments	65.00%
Equity investment, actual asset allocation	64.00%	65.00%
Equity Securities [Member] | Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation assumption to equity investments	50.00%	61.00%
Actual asset allocation of other investments	48.00%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future benefit payments 2017	$ 4.3