Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

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Subsequent Events (Details) (Common Stock [Member], USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 1 Months Ended 0 Months Ended
Sep. 30, 2014
August ASR Agreement [Member]
Oct. 24, 2014
Subsequent Event [Member]
Open Market And Privately Negotiated Repurchases [Member]
Oct. 01, 2014
Subsequent Event [Member]
August ASR Agreement [Member]
Subsequent Event [Line Items]      
Number of shares repurchased and retired 51,884,795 24,555,150 19,431,708
Stock repurchased and retired during period, value   $ 81,007