Fair Value Disclosures (Assets and Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Derivative Liability, Fair Value, Gross Liability		$ (2,500)	$ (5,700)
Derivative Asset, Fair Value, Gross Asset		35,900	42,200
Cross Currency Swaps | Quoted Prices In Active Markets For Identical Assets (Level I) [Member]
Derivative Asset, Fair Value, Gross Asset		0	0
Cross Currency Swaps | Significant Unobservable Inputs (Level 3) [Member]
Derivative Asset, Fair Value, Gross Asset		0	0
Currency Forward Agreements Member | Quoted Prices In Active Markets For Identical Assets (Level I) [Member]
Derivative Asset, Fair Value, Gross Asset		0	0
Currency Forward Agreements Member | Significant Unobservable Inputs (Level 3) [Member]
Derivative Asset, Fair Value, Gross Asset		0	0
Interest Rate Swap [Member] | Quoted Prices In Active Markets For Identical Assets (Level I) [Member]
Derivative Liability, Fair Value, Gross Liability		0	0
Interest Rate Swap [Member] | Significant Unobservable Inputs (Level 3) [Member]
Derivative Liability, Fair Value, Gross Liability		0
Fair Value, Measurements, Recurring [Member] | Cross Currency Swaps
Derivative Asset, Fair Value, Gross Asset	[1]	4,158	7,575
Fair Value, Measurements, Recurring [Member] | Cross Currency Swaps | Significant Other Observable Inputs (Level 2) [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	4,158	7,575
Fair Value, Measurements, Recurring [Member] | Currency Forward Agreements Member
Derivative Asset, Fair Value, Gross Asset	[1]	31,782	34,587
Fair Value, Measurements, Recurring [Member] | Currency Forward Agreements Member | Significant Other Observable Inputs (Level 2) [Member]
Derivative Asset, Fair Value, Gross Asset	[1]	31,782	34,587
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Derivative Liability, Fair Value, Gross Liability	[2]	(2,482)	(5,674)
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Significant Other Observable Inputs (Level 2) [Member]
Derivative Liability, Fair Value, Gross Liability	[2]	$ (2,482)	(5,674)
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Significant Unobservable Inputs (Level 3) [Member]
Derivative Liability, Fair Value, Gross Liability			$ 0

[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.