XML 64 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Dividends and Share Repurchase Program Dividends and Share Repurchase Program (Details) (USD $)
Dec. 31, 2014
Aug. 31, 2014
Apr. 30, 2013
Dividends and Share Repurchase Program [Abstract]      
Stock Repurchase Program, Authorized Amount $ 400,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 $ 400,000,000.0us-gaap_StockRepurchaseProgramAuthorizedAmount1 $ 125,000,000.0us-gaap_StockRepurchaseProgramAuthorizedAmount1