Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock Compensation Plans

Schedule of stock-based compensation expense and related income tax benefits

	Year Ended December 31,
	2012			2011			2010
Stock-based compensation expense	$	4.9		$	4.3		$	4.9
Income tax benefit		(1.9	)		(1.6	)		(1.9	)
Stock-based compensation, net of income tax benefit	$	3.0		$	2.7		$	3.0

Schedule of total compensation costs related to the Company's equity awards and amounts recognized

	Stock Options			Performance Shares and RSUs
Unrecognized compensation cost — December 31, 2011	$	0.8		$	2.4
Grant date fair value current year grants		2.0			3.5
Compensation expense recognized		(1.2	)		(3.7	)
Change in estimate of shares to be forfeited		—			0.3
Unrecognized compensation cost — December 31, 2012	$	1.6		$	2.5
Expected amortization period (in years)		3.1			1.6

Schedule of assumptions used to determine the grant date fair value of options granted

	Year Ended December 31,
	2012			2011
Expected term in years		4.9			5.3
Interest rate		1.1	%		2.3	%
Volatility		45.4	%		57.1	%
Dividend yield		2.0	%		2.3	%

Summary of stock option activity

	Number of Stock Options		Weighted-Average Exercise Price
Options outstanding — December 31, 2011		2,052,769	$	23.61
Add: Options granted		222,220	$	24.11
Less: Options exercised		408,818	$	15.74
Less: Options forfeited/cancelled		161,459	$	32.74
Options outstanding — December 31, 2012		1,704,712	$	24.70

Schedule of outstanding and exercisable stock options summarized by exercise price

	Options Vested or Expected to Vest								Options Exercisable
Exercise Price	Number of Options		Weighted-Average Remaining Contractual Life (Years)		Weighted- Average Exercise Price		Aggregate Intrinsic Value (a)		Number of Options		Weighted- Average Exercise Price		Aggregate Intrinsic Value (a)
$  7.41 - $21.13		566,151		6.8	$	13.12	$	8.7		450,335	$	12.15	$	7.3
$22.44 - $29.43		440,366		6.7	$	25.55		1.3		218,615	$	27.06		0.4
$30.15 - $34.61		527,121		2.1	$	32.66		-		527,121	$	32.66		-
$35.92 - $42.24		163,610		4.3	$	37.09		-		163,610	$	37.09		-
		1,697,248		5.1	$	24.72	$	10.0		1,359,681	$	25.50	$	7.7

(a)

Represents the total pre-tax intrinsic value as of December 31, 2012 that option holders would have received had they exercised their options as of such date. The pre-tax intrinsic value is based on the closing market price for the Company's common stock of $28.47 on December 31, 2012.

Schedule of status of the Company's unvested stock options

	Number of Stock Options		Weighted-Average Grant Date Fair Value
Outstanding — December 31, 2011		394,959	$	5.25
Add: Options granted		222,220	$	8.93
Less: Options vested		271,398	$	4.42
Less: Options forfeited/cancelled		750	$	7.36
Outstanding — December 31, 2012		345,031	$	8.26

Summary of the Company's unvested stock-based awards

	RSUs			Weighted-Average Grant Date Fair Value		Performance Shares			Weighted-Average Grant Date Fair Value
Outstanding — December 31, 2011		1,045,830		$	9.87		—			—
Shares granted (a)		12,912		$	22.72		103,000		$	36.13
Shares vested		(837,179	)	$	8.23		—			—
Shares expired or cancelled		—			—		(5,100	)	$	36.13
Outstanding — December 31, 2012 (b)		221,563		$	16.81		97,900		$	36.13

(a)

Includes 887 RSUs granted in lieu of cash dividends. Such dividends-in-kind vest concurrently with the underlying RSUs.

(b)

The aggregate pre-tax intrinsic value of outstanding RSUs as of December 31, 2012 was $6.3 million.