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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 3,396,772	$ 3,148,366
Ending balance	3,417,364	3,197,225
Total accumulated other comprehensive loss	3,417,364	3,148,366	$ 3,417,364	$ 3,398,813	$ 3,396,772	$ 3,197,225	$ 3,248,288
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity			3,355,248		3,329,861
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(52,862)	(38,701)
Unrealized income (loss)	(518)	(6,206)
Ending balance	(53,380)	(44,907)
Total accumulated other comprehensive loss	(52,862)	(38,701)	(53,380)		(52,862)	(44,907)
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3,550)	150
Unrealized income (loss)	(1,973)	425
Reclassification adjustment	3	62
Ending balance	(5,520)	637
Total accumulated other comprehensive loss	(3,550)	150	(5,520)		(3,550)	637
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending balance	(58,900)	(44,270)
Total accumulated other comprehensive loss	(58,900)	(44,270)	(58,900)			(44,270)
AOCI Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending balance	1,226	887
Total accumulated other comprehensive loss	1,226	887	1,226			887
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(55,243)	(37,797)
Ending balance	(57,674)	(43,383)
Total accumulated other comprehensive loss	$ (55,243)	$ (43,383)	(57,674)	$ (51,803)	$ (55,243)	(43,383)	$ (29,674)
Total accumulated other comprehensive loss included in shareholders' equity/owners' equity			$ (57,674)			$ (43,383)