Stock-Based Compensation and Other Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017



Activity, restricted shares: ^(a)	Restricted Shares		Per Share Weighted Average Grant Date Fair Value
Non-vested restricted shares, as of December 31, 2015	1,630,232		$	22.94
Granted	637,332		17.69
Vested	(188,386	)	20.42
Canceled/forfeited	(108,592	)	20.71
Non-vested restricted shares, as of December 31, 2016	1,970,586		$	21.61
Granted	429,061		40.46
Vested	(899,815	)	28.08
Canceled/forfeited	(51,241	)	18.22
Non-vested restricted shares, as of December 31, 2017	1,448,591		$	23.29


(a)	Includes 27,550, 43,300 and 32,250 restricted stock units as of December 31, 2017, 2016 and 2015, respectively.

The following table provides details pertaining to the Company’s ESPPs for the periods indicated:



	For the Years Ended December 31,
	2017		2016		2015
Cash proceeds (in millions)	$	3.3	$	2.7	$	2.0
Common shares issued	92,145		144,183		134,389
Weighted average price per share	$	35.92	$	18.55	$	14.67
Weighted average per share grant date fair value	$	9.24	$	5.00	$	4.22

Details of non-cash stock-based compensation expense and related tax effects for the periods indicated were as follows (in millions):



	For the Years Ended December 31,
	2017		2016		2015
Non-cash stock-based compensation expense	$	15.7	$	15.1	$	12.4
Income Tax Effects:
Income tax effect of non-cash stock-based compensation	$	11.2	$	5.6	$	4.2
Excess tax benefit from non-cash stock-based compensation ^(a)	$	5.7	$	0.1	$	0.1


(a)	Excess tax benefits represent cash flows from tax deductions in excess of the tax effect of compensation expense associated with share-based payment arrangements. For the year ended December 31, 2017, the Company recognized a tax benefit of $5.4 million, net of tax deficiencies, related to the vesting of share-based payment awards.