Stock Repurchases (Tables)

6 Months Ended

Jun. 30, 2015

Equity [Abstract]

Schedule of Stock Repurchases

The following table summarizes our stock repurchases for the three and six months ended June 30, 2015 and 2014:

(Dollars in millions)	For the Three Months Ended June 30,
	2015			2014
Stock Repurchases	Number of Shares Repurchased	Cost		Number of Shares Repurchased	Cost
Tender Offer (1)	—	$	—	915,750	$	115.1

(Dollars in millions)	For the Six Months Ended June 30,
	2015			2014
Stock Repurchases	Number of Shares Repurchased	Cost		Number of Shares Repurchased	Cost
Tender Offer (1)	—	—		1,553,170	200.3
Other (2)	6,065	1.1		137,876	18.4
Total	6,065	$	1.1	1,691,046	$	218.7

(1) Tender Offer Cost amounts include offering costs of $0.1 million and $0.3 million for the three and six months ended June 30, 2014, respectively.

(2) Represents shares of common stock released to us as payment of tax withholdings due to us upon the vesting of restricted stock and restricted stock units.