Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Shareholders' Equity

Summary of dividends paid

        The following is a summary of the dividends paid in the years ended December 31, 2017 and 2016 (in millions):

	2017
Dividends Paid on	March 24	June 23	September 22	December 22
Shareholders of Record as of	March 8	June 5	September 5	December 4
Aggregate Cost	$6.4	$6.4	$6.3	$6.3

	2016
Dividends Paid on	March 24	June 24	September 23	December 23
Shareholders of Record as of	March 4	June 6	September 6	December 5
Aggregate Cost	$6.5	$6.5	$6.4	$6.4

Summary of the components of accumulated other comprehensive income (loss), net of tax

        The following is a summary of the components of accumulated other comprehensive income (loss), net of tax, at December 31, (in millions):

	Foreign Currency Translation			Pension Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2014	$	66.0		$	(37.8	)	$	28.2
Other comprehensive income (loss)		(62.8	)		(23.6	)		(86.4	)
Realized loss on reclassification		—			14.0			14.0
Balance at December 31, 2015		3.2			(47.4	)		(44.2	)
Other comprehensive income (loss)		(27.3	)		(8.4	)		(35.7	)
Realized loss on reclassification		—			4.0			4.0
Balance at December 31, 2016		(24.1	)		(51.8	)		(75.9	)
Other comprehensive income		96.3			1.8			98.1
Realized loss on reclassification		—			4.8			4.8
Balance at December 31, 2017	$	72.2		$	(45.2	)	$	27.0