Income Taxes Repatriation (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	May. 31, 2016	Mar. 31, 2016	Mar. 31, 2015	Jan. 31, 2014
Details of Repatriation of Foreign Earnings [Line Items]
Cash and cash equivalents			$ 375,000
Foreign Tax Authority [Member]
Details of Repatriation of Foreign Earnings [Line Items]
Cash			170,000
Retained Earnings (Accumulated Deficit)			8,500
Revolving Credit Facility [Member]
Details of Repatriation of Foreign Earnings [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 960,000	$ 750,000	$ 250,000
Subsequent Event [Member]
Details of Repatriation of Foreign Earnings [Line Items]
Proceeds from Lines of Credit	$ 460,000
Subsequent Event [Member] | Revolving Credit Facility [Member]
Details of Repatriation of Foreign Earnings [Line Items]
Line of Credit Facility, Current Borrowing Capacity		$ 500,000