Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The United States dollar-denominated, Australian dollar-denominated and the British pound-denominated term loans began to amortize in quarterly installments during the three months ended September 30, 2016, with the remaining principal balance payable upon maturity, as set forth below (dollars in thousands):

	Quarterly Payment Date	Principal Amount of Each Quarterly Installment
United States dollar:	December 31, 2016 through June 30, 2018	$	12,711
	September 30, 2018 through December 31, 2019	$	25,421
	Maturity date - March 31, 2020	$	1,336,500
Australian dollar:	December 31, 2016 through June 30, 2018	A$	4,058
	September 30, 2018 through December 31, 2019	A$	8,116
	Maturity date - March 31, 2020	A$	178,028
British pound:	December 31, 2016 through June 30, 2018	£	1,271
	September 30, 2018 through December 31, 2019	£	2,542
	Maturity date - March 31, 2020	£	75,532

Line of Credit [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

As of September 30, 2016, the Company had the following unused borrowing capacity under its revolving credit facility (amounts in thousands):

	September 30, 2016
Total available borrowing capacity	$	625,000
Less: Outstanding revolving loans	84,570
Less: Outstanding letter of credit guarantees	7,146
Total unused borrowing capacity	$	533,284

As of September 30, 2016, the Company had the following outstanding revolving loans (amounts in thousands, except percentages):

	Local Currency		United States Dollar Equivalent		Interest Rate
British pound (swingline loan)	£	2,000	$	2,594	2.48	%
British pound	£	37,000	$	47,993	2.27	%
Canadian dollar	C$	13,500	$	10,292	2.87	%
Euro	€	21,100	$	23,691	2.00	%

Loans Payable [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

As of September 30, 2016, the Company had the following outstanding term loans (amounts in thousands, except percentages):

	Local Currency		United States Dollar Equivalent		Interest Rate
United States dollar	$	1,578,000	$	1,578,000	2.52	%
Australian dollar	A$	255,127	$	195,478	3.67	%
British pound	£	99,681	$	129,296	2.27	%