Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity

Schedule of accumulated other comprehensive loss

			Pension and		Accumulated
	Foreign Currency		Postretirement		Other
	Translation		Benefit Adjustments,		Comprehensive
	Loss		Net of Tax		Loss
	(in millions)
Balance as of January 1, 2016	$	(74.2)	$	(25.5)	$	(99.7)
Current-year change		(5.7)		0.7		(5.0)
Balance as of December 31, 2016	$	(79.9)	$	(24.8)	$	(104.7)