Fair Value of Financial Instruments Financial Instruments Carried at Historical Costs (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 1,643,182	$ 1,621,345
Carrying Value	1,640,776	1,624,712
United States term loan [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,416,842	1,429,204
Carrying Value	1,415,000	1,433,414
Australian term loan [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	163,493	135,491
Carrying Value	163,226	134,436
Revolving Credit Facility [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	28,217	15,956
Carrying Value	27,966	15,949
TEUs - amortizing note [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	13,918	21,698
Carrying Value	13,902	21,878
Other Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	20,712	18,996
Carrying Value	$ 20,682	$ 19,035