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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Dividend Declaration. On July 12, 2012, the Company announced that its Board of Directors declared a cash dividend of $0.25 per common share or $4.9 (including dividend equivalents), which will be paid on or about August 15, 2012 to stockholders of record at the close of business on July 26, 2012.