Derivative Financial Instruments Effectiveness Testing (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest rate swap agreements [Member]
Gain/(loss) reclassified from accumulated other comprehensive income/(loss) into earnings due to ineffectiveness	$ 0	$ 0	$ 0	$ 0
Existing net gains/losses realized and recorded as interest income/expense	400,000	800,000	700,000	1,600,000
Existing net gains/losses expected to be realized within the next 12 months	400,000
Foreign Exchange Forward [Member]
Gain/(loss) reclassified from accumulated other comprehensive income/(loss) into earnings due to ineffectiveness	0	$ 0	0	$ 0
Existing net gains/losses expected to be realized within the next 12 months			800,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion			266,000
Intercompany Loan [Member]
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ 14,500,000		$ 18,900,000

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

No definition available.

+ Details

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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1),(2)
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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- Definition

The effective portion of gain reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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- Definition

The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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