Equity (Tables)

12 Months Ended

Dec. 31, 2014

Equity

Schedule of accumulated other comprehensive loss

	Foreign Currency Translation Gain (Loss)			Unrealized Gain on Investments, Net of Tax		Pension and Postretirement Benefit Adjustments, Net of Tax			Accumulated Other Comprehensive Loss
	(in millions)
Balance as of January 1, 2014	$	3.2		$	0.2	$	(10.1	)	$	(6.7	)
Current-year change		(26.4	)		0.2		(16.0	)		(42.2	)
Balance as of December 31, 2014	$	(23.2	)	$	0.4	$	(26.1	)	$	(48.9	)