Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Carrying Amounts, Estimated Fair Values and Valuation Input Levels of the Company's Senior Notes, Senior Secured Term Loans and Senior Secured Revolving Credit Facility

The carrying amounts, estimated fair values and valuation input levels of the Company’s investment in equity securities, foreign currency contracts, senior notes, senior secured term loans, senior PIK toggle notes and contingent consideration payable as of December 31, 2014 and December 31, 2013, are as follows:

	December 31, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value		Valuation Inputs
Assets:
Investment in equity securities	$	20,392	$	20,392	$	3,112	$	41,879		Level 1
Foreign currency contracts		1,165		1,165		2,738		2,738		Level 2
Liabilities:
5.00% senior notes due 2021		650,000		643,500		—		—		Level 2
5.50% senior notes due 2024		650,000		640,250		—		—		Level 2
8.25% senior notes		—		—		1,100,000		1,205,280		Level 2
Senior secured term loans due 2017, at par		345,625		342,169		349,125		349,997		Level 2
Senior secured term loans due 2018, at par		518,438		513,254		523,688		524,997		Level 2
Senior PIK toggle notes due 2020		550,000		566,500		550,000		572,000		Level 2
Foreign currency contracts		3,584		3,584		662		662		Level 2
Contingent consideration		—		—		13,068		13,068		Level 3