Equity (Tables)

6 Months Ended

Jun. 30, 2015

Equity

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

			Weighted
			Average
			Grant Date
Unvested RSUs and Restricted Stock	Shares		Fair Value
Unvested at January 1, 2015	846,760		$	65.10
Granted(1)	570,479		59.42
Vested	(75,719	)	58.87
Canceled	(91,995	)	58.06
Unvested at June 30, 2015	1,249,525		$	63.31
Shares reserved for future grants (all plans)	2,088,837

(1)557,760 RSUs, including 225,450 performance-based RSUs, and 12,719 restricted stock grants.

Schedule of accumulated other comprehensive loss

				Unrealized			Pension and			Accumulated
	Foreign Currency			Gain (Loss) on			Postretirement			Other
	Translation			Investments,			Benefit Adjustments,			Comprehensive
	Loss			Net of Tax			Net of Tax			Loss
	(in millions)
Balance as of January 1, 2015	$	(23.2	)	$	0.4		$	(26.1	)	$	(48.9	)
Current-period change	(17.0		)	(0.4		)	—			(17.4		)
Balance as of June 30, 2015	$	(40.2	)	$	—		$	(26.1	)	$	(66.3	)