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STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2011

Stock-based compensation expense was as follows:

	Years ended December 31,
	2011			2010		2009
	($ in millions)
Stock-based compensation	$	8.8		$	10.1	$	8.6
Mark-to-market adjustments		(0.5	)		1.2		0.8
Total expense	$	8.3		$	11.3	$	9.4

Stock Options Activity

Stock option transactions were as follows:

								Exercisable
	Shares			Option Price		Weighted Average Option Price		Options		Weighted Average Exercise Price
Outstanding at January 1, 2011		3,849,411		$	6.98-23.78	$	17.53		2,336,195	$	18.73
Granted		575,000			18.78		18.78
Exercised		(508,247	)		6.98-23.78		16.59
Canceled		(151,294	)		6.98-20.67		17.69
Outstanding at December 31, 2011		3,764,870		$	14.28-23.78	$	17.84		2,415,347	$	18.46

Stock Options Exercisable, Exercise Price Range

The following table provides certain information with respect to stock options exercisable at December 31, 2011:

Range of Exercise Prices		Options Exercisable		Weighted Average Exercise Price		Options Outstanding		Weighted Average Exercise Price
Under $16.00			669,241	$	14.83		1,443,764	$	15.03
	$16.00 - $20.00		586,914	$	16.99		1,161,914	$	17.88
Over $20.00			1,159,192	$	21.30		1,159,192	$	21.30
			2,415,347				3,764,870

Common shares reserved and available for grant or purchase

At December 31, 2011, common shares reserved for issuance and available for grant or purchase under the following plans consisted of:

	Number of Shares
Stock Option Plans	Reserved for Issuance		Available for Grant or Purchase(1)
2000 long term incentive plan		629,563		24,780
2003 long term incentive plan		919,496		63,676
2006 long term incentive plan		2,456,127		122,516
2009 long term incentive plan		3,000,000		2,425,000
		7,005,186		2,635,972
1996 stock option plan (plan expired)		66,536		-
Total under stock option plans		7,071,722		2,635,972

	Number of Shares
Stock Purchase Plans	Reserved for Issuance		Available for Grant or Purchase
1997 stock plan for non-employee directors		603,507		269,763
Employee deferral plan		46,561		45,669
Total under stock purchase plans		650,068		315,432

(1)	All available to be issued as stock options, but includes a sub-limit for all types of stock awards of 1,710,972 shares.

Performance Shares Transactions

Performance share transactions were as follows:

	To Settle in Cash					To Settle in Shares
	Shares			Weighted Average Fair Value per Share		Shares			Weighted Average Fair Value per Share
Outstanding at January 1, 2011		312,625		$	20.65		303,875		$	16.71
Granted		65,250			18.78		65,250			18.78
Paid/Issued		(112,083	)		20.65		(105,000	)		20.29
Converted from shares to cash		5,972			14.62		(5,972	)		14.62
Canceled		(4,028	)		20.65		(4,028	)		15.08
Outstanding at December 31, 2011		267,736		$	19.78		254,125		$	15.83

Total vested at December 31, 2011		200,236		$	19.78		186,625		$	15.16

Summary of Unvested Performance Shares

The summary of the status of our unvested performance shares to be settled in cash were as follows:

	Shares			Weighted Average Fair Value per Share
Unvested at January 1, 2011		91,542		$	20.65
Granted		65,250			18.78
Vested		(85,264	)		19.78
Canceled		(4,028	)		20.65
Unvested at December 31, 2011		67,500		$	19.78

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References+ Details

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References+ Details