Equity (Tables)

3 Months Ended

Mar. 31, 2016

Equity

Schedule of common stock and additional paid-in capital activity

	Three Months Ended
	March 31, 2016
				Weighted Average
	Shares		Amount	Exercise Price
	(in millions, except share and per share amounts)
Stock-based compensation	—	$	2.1		—
Stock options exercised	345,170		16.5	$	64.87
Cumulative effect of change in accounting for stock-based compensation	—		1.0		—
Total	345,170	$	19.6

Summary of the status of the Company's unvested restricted stock grants and restricted stock units and changes during the period

		Weighted
		Average Grant
Unvested Shares	Shares	Date Fair Value
Unvested at January 1, 2016	900,410	$	63.26
Granted(1)	512,895		69.16
Vested	(256)		59.27
Canceled	(5,684)		65.96
Unvested at March 31, 2016	1,407,365	$	65.40
Shares reserved for future grants (all plans)	1,859,259

(1)512,895 RSUs, including 190,175 performance-based RSUs.

Schedule of accumulated other comprehensive loss

			Pension and		Accumulated
	Foreign Currency		Postretirement		Other
	Translation		Benefit Adjustments,		Comprehensive
	(Loss) Gain		Net of Tax		(Loss) Income
	(in millions)
Balance as of January 1, 2016	$	(74.2)	$	(25.5)	$	(99.7)
Current-period change		15.7		—		15.7
Balance as of March 31, 2016	$	(58.5)	$	(25.5)	$	(84.0)