Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Table Text Block Supplement [Abstract]

Schedule of Financial Instruments Carried at Fair Value [Table Text Block]

The following table presents the Company's financial instruments carried at fair value using Level 2 inputs as of June 30, 2016 and December 31, 2015 (dollars in thousands):

	June 30, 2016		December 31, 2015
Financial instruments carried at fair value using Level 2 inputs:
Financial assets carried at fair value:
British pound forward contracts	$	17,438	$	1,530
Total financial assets carried at fair value	$	17,438	$	1,530
Financial liabilities carried at fair value:
Interest rate swap agreements	$	36,433	$	12,501
Total financial liabilities carried at fair value	$	36,433	$	12,501

The following table presents the Company's financial instrument carried at fair value using Level 3 inputs as of June 30, 2016 and December 31, 2015 (amounts in thousands):

	June 30, 2016				December 31, 2015
	GBP		USD		GBP		USD
Financial instrument carried at fair value using Level 3 inputs:
Financial liabilities carried at fair value:
Accrued deferred consideration	£	24,962	$	33,120	£	24,200	$	35,680

Schedule of Financial Instruments Carried at Historical Cost [Table Text Block]

The following table presents the carrying value and fair value using Level 2 inputs of the Company's financial instruments carried at historical cost as of June 30, 2016 and December 31, 2015 (dollars in thousands):

	June 30, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial liabilities carried at historical cost:
United States term loan	$	1,655,732	$	1,654,980	$	1,755,736	$	1,750,040
Australian term loan	202,219		202,152		209,242		210,128
U.K. term loan	134,650		134,375		149,500		150,030
Revolving credit facility	73,299		77,600		39,737		44,833
Other debt	3,053		3,027		3,123		3,090
Total	$	2,068,953	$	2,072,134	$	2,157,338	$	2,158,121