Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Schedule of Dividends

The Board of Directors approved the following dividends in 2013 (in millions, except share data):

Declaration Date	Dividend Per Share	Record Date	Total Cash Payment Amount	Payment Date
May 2, 2013	$0.19	May 24, 2013	$2.2	June 17, 2013
August 1, 2013	$0.19	August 23, 2013	NA (1)	September 16, 2013

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(1) Amount will be determined based on common stock outstanding as of record date.

Schedule of Stock Repurchase Activities

The following table summarizes our stock repurchase activities for the three and six months ended June 30, 2013 and 2012 (in millions, except share data):

	Three Months Ended June 30,			Six Months Ended June 30,
	2013		2012	2013		2012
Number of shares repurchased	5,502		—	77,609		17,800
Average price per share	$	57.48	NA	$	49.56	$	39.50
Total repurchase costs	$	0.3	—	$	3.8	$	0.7