Share Repurchases

12 Months Ended

Dec. 31, 2011

Comprehensive (Loss) Income/Share Repurchases [Abstract]

Share Repurchases

16.     Share Repurchases:

During 2008, our Board of Directors approved a $300.0 million share repurchase plan authorizing the repurchase of shares of our common stock through open market purchases (the “2008 Share Repurchase Plan”). In December 2011, our Board of Directors increased the 2008 Share Repurchase Plan by $100 million.

The following table summarizes the share repurchase activity for years ended December 31, 2011, 2010 and 2009, by the 2008 Share Repurchase Plan and those related to share-based payments (in millions, except per share data):

	Related to Share-Based Payments		2008 Plan		Total Share Repurchase Activity
2011 share repurchase activity:
Number of shares		0.1		3.2		3.3
Weighted average price per share	$	39.26	$	37.11	$	37.16
Amount Repurchased	$	3.3	$	119.7	$	123.0
2010 share repurchase activity:
Number of shares		0.2		3.3		3.5
Weighted average price per share	$	44.83	$	43.97	$	44.02
Amount repurchased	$	9.4	$	144.3	$	153.7
2009 share repurchase activity:
Number of shares		0.2		—		0.2
Weighted average price per share	$	30.55	$	—	$	30.55
Amount repurchased	$	5.6	$	—	$	5.6