Stock Repurchases (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of Stock Repurchases

The following table summarizes our stock repurchases for the three months ended March 31, 2018 and 2017:

(Dollars in millions)	For the Three Months Ended March 31,
	2018			2017
Stock Repurchases	Number of Shares Repurchased	Cost		Number of Shares Repurchased	Cost
Open Market (1)	—	$	—	506,843	$	101.4
Other (2)	6,185	2.0		21,680	4.4
Total	6,185	$	2.0	528,523	$	105.8

(1) Represents repurchases under authorizations by the board of directors for the repurchase of shares by us from time to time in the open market or in privately negotiated transactions. On February 13, 2017, the board of directors authorized the repurchase of up to one million shares of our common stock in addition to the board’s prior authorizations. As of March 31, 2018, we had authorization to repurchase 776,208 shares of our common stock.

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