Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Measurements [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present our assets and liabilities measured at fair value on a recurring basis at December 31, 2016 and December 31, 2015:

(In thousands) December 31, 2016	Level 3		Gross Fair Value		Netting (1)		Net Fair Value
Assets:
Cash Convertible Notes Hedges		48,361		48,361		—		48,361
Liabilities:
Cash Conversion Derivative		48,361		48,361		—		48,361

(In thousands) December 31, 2015	Level 2		Level 3		Gross Fair Value		Netting (1)			Net Fair Value
Assets:
Foreign currency exchange contracts	$	284	$	—	$	284	$	(26	)	$	258
Cash Convertible Notes Hedges		—		12,632		12,632		—			12,632
Liabilities:
Foreign currency exchange contracts	$	48	$	—	$	48	$	(26	)	$	22
Interest rate swap agreements		397		—		397		—			397
Cash Conversion Derivative		—		12,632		12,632		—			12,632
Gallup Derivative		—		6,339		6,339		—			6,339

(1) This column reflects the impact of netting derivative assets and liabilities by counterparty when a legally enforceable master netting agreement exists.

Financial Instruments Measured at Fair Value on Recurring Basis Using Unobservable Inputs

The following table presents our financial instruments measured at fair value on a recurring basis using unobservable inputs (Level 3):

(In thousands)	Balance at December 31, 2015			Purchases of Level 3 Instruments		Settlements of Level 3 Instruments		Gains (Losses) Included in Earnings			Balance at December 31, 2016
Cash Convertible Notes Hedges	$	12,632		$	—	$	—	$	35,729		$	48,361
Cash Conversion Derivative		(12,632	)		—		—		(35,729	)		(48,361	)
Gallup Derivative	$	(6,339	)	$	—	$	6,339	$	—		$	—