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

3 Months Ended

Mar. 31, 2014

Summary of Restricted Share Award Activity



Activity, restricted share awards:	Restricted Shares		Weighted Average Grant Date Fair Value
Non-vested restricted shares, as of December 31, 2013	1,123,545		$	23.78
Granted	326,442		41.39
Vested	(141,138	)	19.41
Canceled/forfeited	(13,450	)	16.05
Non-vested restricted shares, as of March 31, 2014	1,295,399		$	28.77

Summary of Stock Option Activity



Activity, stock options:	Stock Options		Per Share Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value ^(a) (in millions)
Options outstanding as of December 31, 2013	495,571		$	11.17	1.96	$	10.7
Exercised	(200,900	)	9.77
Canceled/forfeited	—		—
Options outstanding as of March 31, 2014	294,671		$	12.13	2.04	$	9.2
Options exercisable as of March 31, 2014	294,671		$	12.13	2.04	$	9.2


(a)	Amount represents the difference between the exercise price and the market price of the Company’s stock on the last trading day of the corresponding period, multiplied by the number of in-the-money options.

Summary of Employee Stock Purchase Plan Activity



	Three Months Ended March 31,
Activity, employee stock purchase plan:	2014		2013
Cash proceeds (in millions)	$	0.8	$	0.9
Common shares issued	26,968		67,556
Weighted average price per share	$	27.81	$	13.19
Weighted average grant date fair value per share	$	6.59	$	5.00

Summary of Stock-Based Compensation Expense And Related Tax Benefits

Details of stock based compensation expense, which is included within general and administrative expense in the condensed unaudited consolidated statement of operations, and related tax benefits for the periods indicated are as follows (in millions):



	Three Months Ended March 31,
	2014		2013
Stock-based compensation expense	$	3.3	$	2.4
Income Tax Effects:
Income tax benefit from stock-based compensation	$	4.5	$	1.5
Excess tax benefit from stock-based compensation ^(a)	$	3.2	$	0.9


(a)	Excess tax benefits, which represent cash flows from tax deductions in excess of the recorded tax effect of compensation expense recognized for stock options exercised and vested restricted shares, are classified as financing cash flows in the Company’s condensed unaudited consolidated statements of cash flows.