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Subsequent Event (Notes)	12 Months Ended
	Dec. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	Subsequent Event Since December 31, 2012 and through February 22, 2013, we have repurchased 1.9 million shares of common shares under the share repurchase program discussed more fully in Note 18, for approximately $38.5 million, in total.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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