Label	Element	Value
Retained Earnings [Member]
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	$ 68,000,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	$ 205,300,000
Common Stock [Member]
Stock Issued During Period, Shares, New Issues	us-gaap_StockIssuedDuringPeriodSharesNewIssues	200,000
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	$ 100,000
Additional Paid-in Capital [Member]
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	$ 4,600,000