Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value, Inputs, Level 1 [Member]

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]

The following tables present certain information for our financial liabilities that is disclosed at fair value on a recurring basis at March 31, 2014 and December 31, 2013:

	Level 1				Level 1
	March 31, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Liabilities:
6.75% Notes due 2020	$	663,918	$	694,650	$	664,056	$	690,525

Fair Value, Inputs, Level 3 [Member]

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]

The following table presents changes in Deferred Acquisition Consideration.

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	March 31,		December 31,
	2014		2013
Beginning Balance of contingent payments	$	151,848	$	194,795
Payments		(3,965)		(106,460)
Grants		46,088		31,608
Redemption value adjustments		9,415		38,712
Transfers (to) from fixed payments		(5,146)		(6,318)
Foreign translation adjustment		(270)		(489)
Ending Balance of contingent payments	$	197,970	$	151,848

- Definition

Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring and/or nonrecurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.

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