Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Schedule of Repurchase of Shares

In 2015, we repurchased shares under Securities Exchange Act of 1934 Rule 10b5-1 trading plans as follows:

Date Trading Plan Initiated	2015 Purchase Period	Number of Shares Repurchased		Average Price of Shares Repurchased		Total Cost (in millions)		Repurchase Authorization Year
12/15/2014	01/05/2015-02/12/2015		117,482	$	53.50	$	6.3	2013
03/16/2015	03/18/2015-03/31/2015		38,708	$	49.65	$	1.9	2013