Components of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017		Jun. 30, 2016
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			$ (63.8)		$ (45.9)
Other comprehensive income (loss) before reclassifications			10.6		(6.1)
Amounts reclassified to consolidated statement of income	$ (12.1)	$ (0.2)	12.2	[1],[2]	(0.3)
Tax benefit (expense)			(0.3)		2.3
Other comprehensive income (loss)	15.2	(7.3)	22.5		(4.1)
Ending balance	(41.3)	(50.0)	(41.3)		(50.0)
Foreign Currency Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			(50.0)		(38.5)
Other comprehensive income (loss) before reclassifications			14.6		3.4
Amounts reclassified to consolidated statement of income			0.0	[1],[2]	0.0
Tax benefit (expense)			0.0		0.0
Other comprehensive income (loss)			14.6		3.4
Ending balance	(35.4)	(35.1)	(35.4)		(35.1)
Defined Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			(13.2)		(11.5)
Other comprehensive income (loss) before reclassifications			2.2		0.0
Amounts reclassified to consolidated statement of income			11.9	[1],[2]	0.0
Tax benefit (expense)			(2.2)		0.0
Other comprehensive income (loss)			11.9		0.0
Ending balance	(1.3)	(11.5)	(1.3)		(11.5)
Derivative Agreements
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance			(0.6)		4.1
Other comprehensive income (loss) before reclassifications			(6.2)		(9.5)
Amounts reclassified to consolidated statement of income			0.3	[1],[2]	(0.3)
Tax benefit (expense)			1.9		2.3
Other comprehensive income (loss)			(4.0)		(7.5)
Ending balance	$ (4.6)	$ (3.4)	$ (4.6)		$ (3.4)

[1] In connection with the termination of international defined benefit pension plans, $11.9 was reclassified to SG&A. All other amounts were reclassified to Cost of Sales.

[2] The Company reclassified a loss of $12.1 and a loss of $0.2 to the consolidated statement of income during the three months ended June 30, 2017 and 2016, respectively.