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Subsequent Events (Debt) (Details) (Subsequent Event [Member], Term Loan B [Member], USD $)
0 Months Ended
Jan. 16, 2014
Subsequent Event [Member] | Term Loan B [Member]
 
Line of Credit Facility [Line Items]  
Credit agreement, maximum capacity $ 800,000,000
Credit agreement, amount outstanding $ 800,000,000
Credit agreement, repayment percentage of principal amount 0.25%
Stated floating interest rate 2.50%
Interest addition to floating rate 0.75%