Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2016 and December 31, 2015 (dollars in thousands):

	March 31, 2016		December 31, 2015
Financial instruments carried at fair value using Level 2 inputs:
Financial assets carried at fair value:
British pound forward contracts	$	5,706	$	1,530
Total financial assets carried at fair value	$	5,706	$	1,530
Financial liabilities carried at fair value:
Interest rate swap agreements	$	27,992	$	12,501
British pound forward contracts	18		—
Total financial liabilities carried at fair value	$	28,010	$	12,501

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

	March 31, 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	£	24,266	$	34,926	£	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 March 31, 2016 and December 31, 2015 (dollars in thousands):

	March 31, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
Financial liabilities carried at historical cost:
United States term loan	$	1,721,760	$	1,721,971	$	1,755,736	$	1,750,040
Australian term loan	210,508		211,299		209,242		210,128
U.K. term loan	146,039		145,734		149,500		150,030
Revolving credit facility	53,088		57,663		39,737		44,833
Other debt	3,092		3,068		3,123		3,090
Total	$	2,134,487	$	2,139,735	$	2,157,338	$	2,158,121