Income Taxes (Narrative or Textuals) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Indefinitely reinvested earnings of foreign subsidiaries (Line items)
Indefinitely reinvested earnings of foreign subsidiaries			$ 9,134
Undistributed Earnings of Foreign Subsidiaries	$ 321,200		$ 321,200
Statutory tax rate	35.00%	35.00%	35.00%	35.00%
United Kingdom
Foreign statutory tax rate (Line Items)
Foreign statutory tax rate			20.00%
Spain
Foreign statutory tax rate (Line Items)
Foreign statutory tax rate			28.00%
Cumluative undistributed foreign earnings through December 31, 2014 [Member]
Indefinitely reinvested earnings of foreign subsidiaries (Line items)
Indefinitely reinvested earnings of foreign subsidiaries			$ 5,900
Cumluative undistributed foreign earnings in the first six months of 2015 [Member]
Indefinitely reinvested earnings of foreign subsidiaries (Line items)
Indefinitely reinvested earnings of foreign subsidiaries			$ 3,200