Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2018

The Company's availability to draw from the unused borrowing capacity is subject to covenant limitations as discussed below. As of September 30, 2018, the Company had the following unused borrowing capacity under its revolving credit facility (amounts in thousands):



	September 30, 2018
Total available borrowing capacity	$	625,000
Outstanding revolving loans	$	6,304
Outstanding letter of credit guarantees	$	2,086
Unused borrowing capacity	$	616,610

Schedule of Line of Credit Facilities [Table Text Block]

As of September 30, 2018, the Company had the following outstanding revolving loans under its revolving credit facility (amounts in thousands, except percentages):



	Local Currency		United States Dollar Equivalent		Interest Rate
United States dollar (swingline loan)	$	5,000	$	5,000	5.75	%
British pound (swingline loan)	£	1,000	$	1,304	2.20	%

Credit agreement [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

Since entering into the Amendment, the Company has made prepayments of $120.0 million on its United States term loan and £25.0 million (or $32.8 million at the exchange rate at the time the payments were made) on its U.K. term loan, which were applied towards its future quarterly installments. As of September 30, 2018, the Company had the following amounts of term loans outstanding under the Amended Credit Agreement (amounts in thousands, except percentages):



	Local Currency		United States Dollar Equivalent		Interest Rate
United States dollar	$	1,303,000	$	1,303,000	3.74	%
British pound	£	247,932	$	323,353	2.22	%

Revolving Credit Facility [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The United States dollar-denominated and British pound-denominated term loans will amortize in quarterly installments, with the remaining principal balance payable upon maturity, as set forth below (amounts in thousands):



	Quarterly Payment Date	Principal Amount of Each Quarterly Installment
United States dollar:	March 31, 2020	$	4,513
	June 30, 2020 through March 31, 2023	$	17,788
	Maturity date - June 5, 2023	$	1,085,031

British pound:	June 30, 2020	£	2,293
	September 30, 2020 through March 31, 2023	£	3,412
	Maturity date - June 5, 2023	£	208,111