Accumulated Other Comprehensive Income (Loss) (Schedule Of Changes In Accumulated Other Comprehensive Income (Loss) By Component) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Cost Of Revenues [Member]	Sep. 30, 2013 Cost Of Revenues [Member]	Sep. 30, 2014 Cost Of Revenues [Member]	Sep. 30, 2013 Cost Of Revenues [Member]	Sep. 30, 2014 Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Selling, General and Administrative Expenses [Member]	Sep. 30, 2014 Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Selling, General and Administrative Expenses [Member]	Sep. 30, 2014 Foreign Exchange Forward [Member]	Dec. 31, 2013 Foreign Exchange Forward [Member]
Foreign Currency Translation Adjustment, Before Taxes [Roll Forward]
Foreign currency translation adjustments, beginning balance, before tax	$ 25,169	$ (8,591)	$ 24,033	$ 11,572
Change in foreign currency translation, before tax	(31,962)	25,346	(30,826)	5,183
Foreign currency translation adjustments, ending balance, before tax	(6,793)	16,755	(6,793)	16,755
Foreign Currency Translation Adjustment, Tax [Roll Forward]
Foreign currency translation adjustment, beginning balance, tax	0	0	0	0
Change in foreign currency translation, tax	0	0	0	0
Foreign currency translation adjustment, ending balance, tax	0	0	0	0
Foreign Currency Translation Adjustment, Net of Tax [Roll Forward]
Foreign currency translation adjustments, beginning balance, net of tax	25,169	(8,591)	24,033	11,572
Change in foreign currency translation, net of tax	(31,962)	25,346	(30,826)	5,183
Foreign currency translation adjustments, ending balance, net of tax	(6,793)	16,755	(6,793)	16,755
Available-for-sale Securities Adjustment, Before Taxes [Roll Forward]
Unrealized gains (losses) on available-for-sale investment securities, beginning balance, before tax	1,269	(1,717)	(453)	2,440
Unrealized (losses) gains arising on available-for-sale investment securities during the period, before tax	(2,327)	2,080	54	(1,396)
Reclassification of (gains) to other, net on available-for-sale investment securities, before tax	(545)	(144)	(1,204)	(825)
Net change on available-for-sale investment securities, before tax	(2,872)	1,936	(1,150)	(2,221)
Unrealized gains (losses) on available-for-sale investment securities, ending balance, before tax	(1,603)	219	(1,603)	219
Available-for-sale Securities Adjustment, Tax [Roll Forward]
Unrealized gains (losses) on available-for-sale investment securities, beginning balance, tax	(475)	605	154	(885)
Unrealized (losses) gains arising on available-for-sale investment securities during the period, tax	867	(757)	(6)	488
Reclassification of (gains) to other, net on available-for-sale investment securities, tax	204	55	448	300
Net change on available-for-sale investment securities, tax	1,071	(702)	442	788
Unrealized gains (losses) on available-for-sale investment securities, ending balance, tax	596	(97)	596	(97)
Available-for-sale Securities Adjustment, Net of Tax [Roll Forward]
Unrealized gains (losses) on available-for-sale investment securities, beginning balance, net of tax	794	(1,112)	(299)	1,555
Unrealized (losses) gains arising on available-for-sale investment securities during the period, net of tax	(1,460)	1,323	48	(908)
Reclassification of (gains) to other, net on available-for-sale investment securities, net of tax	(341)	(89)	(756)	(525)
Net change on available-for-sale investment securities, net of tax	(1,801)	1,234	(708)	(1,433)
Unrealized gains (losses) on available-for-sale investment securities, ending balance, net of tax	(1,007)	122	(1,007)	122
Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Before Taxes [Roll Forward]
Unrealized (losses) on cash flow hedges, beginning balance, before tax	(162,564)	(372,509)	(354,876)	(296,595)
Unrealized (losses) arising on cash flow hedges during the period, before tax	(5,355)	(149,916)	115,625	(278,285)
Reclassifications of losses on cash flow hedges, before tax					25,601	48,755	84,717	91,848	5,263	9,995	17,479	19,357
Net change on cash flow hedges, before tax	25,509	(91,166)	217,821	(167,080)
Unrealized (losses) on cash flow hedges, ending balance, before tax	(137,055)	(463,675)	(137,055)	(463,675)
Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Tax [Roll Forward]
Unrealized (losses) on cash flow hedges, beginning balance, tax	25,141	57,610	54,883	43,785
Unrealized (losses) arising on cash flow hedges during the period, tax	830	23,185	(17,881)	45,064
Reclassification of losses on cash flow hedges, tax					(3,959)	(7,540)	(13,101)	(14,158)	(815)	(1,546)	(2,704)	(2,982)
Net change on cash flow hedges, tax	(3,944)	14,099	(33,686)	27,924
Unrealized (losses) on cash flow hedges, ending balance, tax	21,197	71,709	21,197	71,709
Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax [Roll Forward]
Unrealized (losses) on cash flow hedges, beginning balance, net of tax	(137,423)	(314,899)	(299,993)	(252,810)									(115,858)	(299,993)
Unrealized (losses) arising on cash flow hedges during the period, net of tax	(4,525)	(126,731)	97,744	(233,221)
Reclassification of losses on cash flow hedges, net of tax					21,642	41,215	71,616	77,690	4,448	8,449	14,775	16,375
Net change on cash flow hedges, net of tax	21,565	(77,067)	184,135	(139,156)
Unrealized (losses) on cash flow hedges, ending balance, net of tax	(115,858)	(391,966)	(115,858)	(391,966)									(115,858)	(299,993)
Accumulated Other Comprehensive Income (Loss), Before Taxes [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance, before tax	(136,126)	(382,817)	(331,296)	(282,583)
Other comprehensive income loss, before tax	(9,325)	(63,884)	185,845	(164,118)
Accumulated other comprehensive income (loss), ending balance, before tax	(145,451)	(446,701)	(145,451)	(446,701)
Accumulated Other Comprehensive Income (Loss), Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance, tax	24,666	58,215	55,037	42,900
Other comprehensive income loss, tax	(2,873)	13,397	(33,244)	28,712
Accumulated other comprehensive income (loss), ending balance, tax	21,793	71,612	21,793	71,612
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning balance, net of tax	(111,460)	(324,602)	(276,259)	(239,683)
Other comprehensive income (loss)	(12,198)	(50,487)	152,601	(135,406)
Accumulated other comprehensive income (loss), ending balance, net of tax	$ (123,658)	$ (375,089)	$ (123,658)	$ (375,089)