Equity Narrative (Details) - USD ($) $ in Thousands		6 Months Ended
	May. 11, 2015	Jun. 30, 2015	Jan. 28, 2015
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased During Period, Shares		2,332,230
Stock Repurchased During Period, Value	$ 18,700	$ 57,000
AcceleratedShareRepurchaseAgreement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased During Period, Shares	684,230
Accelerated Share Repurchases, Initial Cash Paid	$ 22,000
Open Market [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased During Period, Shares		1,648,000
Maximum
Equity, Class of Treasury Stock [Line Items]
Number of Shares Authorized to be Repurchased			4,000,000
Additional Paid-in Capital
Equity, Class of Treasury Stock [Line Items]
Adjustments to additional paid in capital, Accelerated share repurchases		$ 3,293