Stockholder's Equity (Details 2) - USD ($)		Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Summary of accumulated other comprehensive income/(loss) [Line Items]
Unrecognized losses on cash flow hedges		$ (1,885,000)	$ (650,000)	$ (3,732,000)	$ (5,059,000)
Unrecognized losses on equity investments		(18,186,000)	0	0	(389,000)
Unrecognized gains (losses) on foreign currency translation		(72,699,000)	(74,770,000)	(47,520,000)	(17,631,000)
Unrecognized actuarial losses		(1,589,000)	(1,589,000)	(1,452,000)	(1,452,000)
Totals		(94,359,000)	$ (77,009,000)	(52,704,000)	$ (24,531,000)
Other comprehensive income before reclassification adjustments
Summary of accumulated other comprehensive income/(loss) [Line Items]
Unrecognized losses on cash flow hedges		(2,625,000)		(11,000)
Unrecognized losses on equity investments		(18,186,000)		389,000
Unrecognized gains (losses) on foreign currency translation		2,071,000		(29,361,000)
Unrecognized actuarial losses		0		0
Totals		(18,740,000)		(28,983,000)
Reclassification amount to net income
Summary of accumulated other comprehensive income/(loss) [Line Items]
Unrecognized losses on cash flow hedges	[1]	1,390,000		1,338,000
Unrecognized losses on equity investments		0		0
Unrecognized gains (losses) on foreign currency translation		0		(528,000)
Unrecognized actuarial losses		0		0
Totals		1,390,000		810,000
Net current period other comprehensive income
Summary of accumulated other comprehensive income/(loss) [Line Items]
Unrecognized losses on cash flow hedges		(1,235,000)		1,327,000
Unrecognized losses on equity investments		(18,186,000)		389,000
Unrecognized gains (losses) on foreign currency translation		2,071,000		(29,889,000)
Unrecognized actuarial losses		0		0
Totals		$ (17,350,000)		$ (28,173,000)

[1] (1) Please see note 11 for additional information.