Fair Value Disclosures (Assets and Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Derivative Liability, Fair Value, Gross Liability		$ (9,200)	$ (5,700)
Derivative Asset, Fair Value, Gross Asset		32,600	42,200
Fair Value, Measurements, Recurring [Member] | Cross Currency Swaps [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	5,506	7,575
Fair Value, Measurements, Recurring [Member] | Cross Currency Swaps [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	5,506	7,575
Fair Value, Measurements, Recurring [Member] | Currency Forward Agreements [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	27,064	34,587
Fair Value, Measurements, Recurring [Member] | Currency Forward Agreements [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	27,064	34,587
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Derivative Liability, Fair Value, Gross Liability	[2]	(9,217)	(5,674)
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Liability, Fair Value, Gross Liability	[2]	$ (9,217)	$ (5,674)

[1] Included in "Other assets" in the accompanying consolidated balance sheet.

[2] Included in "Accounts payable and accrued liabilities" in the accompanying consolidated balance sheet.