Stock Repurchases (Tables)

12 Months Ended

Dec. 31, 2017

The following table summarizes our stock repurchases for the years ended December 31, 2017, 2016, and 2015:



(Dollars in millions)	For the Years Ended December 31,
	2017			2016			2015
Stock Repurchases	Number of Shares Repurchased	Cost		Number of Shares Repurchased	Cost		Number of Shares Repurchased	Cost
Open Market (1)	588,580	$	119.1	495,662	$	88.5	464,006	$	85.4
Other (2)	21,680	4.4		170,668	33.2		6,065	1.1
Total	610,260	$	123.5	666,330	$	121.7	470,071	$	86.5

(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 December 31, 2017, 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.