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Employee Benefit and Other Plans (Tables)

6 Months Ended

Jun. 30, 2011

Employee Benefit and Other Plans [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

We recorded share-based compensation expense as follows:



	For the three months ended June 30,				For the six months ended June 30,
	2011		2010		2011		2010
	(in millions)
Share-based compensation expense	$	2.3	$	2.1	$	3.8	$	3.5

Schedule of Cash Proceeds Received from Share-based Payment Awards Table

The aggregate amount of cash we received from the exercise of stock options is described below. The associated shares were newly issued common stock.



	For the three months ended June 30,				For the six months ended June 30,
	2011		2010		2011		2010
	(in millions)
Cash received from exercise of stock options	$	0.4	$	6.5	$	2.8	$	6.5

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The following table summarizes information related to our common stock options under our stock option plans:



	Number of Stock Options			Weighted Average Exercise Price
Options outstanding at January 1, 2011	5,604,916			$	13.69
Granted	1,039,000			$	13.92
Exercised	(369,569		)	$	7.81
Cancelled, Forfeited	(565,275		)	$	17.43
Options outstanding at June 30, 2011	5,709,072			$	14.03
Vested or expected to vest at a point in the future as of June 30, 2011	5,256,382
Options exercisable at June 30, 2011	2,769,172			$	16.11
Weighted-average value per granted option calculated using the Black-Scholes option-pricing model for options granted during the six months ended June 30, 2011	$	6.98

Schedule of Nonvested Share Activity

The status of our unvested shares, which include restricted stock units and other share based awards, as of June 30, 2011 was as follows:



	Number of Shares		Weighted Average Grant Date Fair Value
Unvested shares at January 1, 2011	320,325		$	10.40
Granted	118,626		$	13.72
Vested	(122,000	)	$	12.25
Cancelled, Forfeited	(65,100	)	$	8.09
Unvested shares at June 30, 2011	251,851		$	11.66

- 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 the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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