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Note 10 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

		*September 30, 2019*
*(In thousands)*		*Balance*				*Level 1*				*Level 2*				*Level 3*
Assets
Cash and cash equivalents		$	235,084			$	235,084			$	—			$	—
Restricted cash			26,355				26,355				—				—
Investment available for sale			16,751				—				—				16,751

Liabilities
Contingent payments		$	1,858			$	—			$	—			$	1,858

		*December 31, 2018*
*(In thousands)*		*Balance*				*Level 1*				*Level 2*				*Level 3*
Assets
Cash and cash equivalents		$	249,417			$	249,417			$	—			$	—
Restricted cash			23,785				23,785				—				—
Investment available for sale			15,772				—				—				15,772

Liabilities
Contingent payments		$	2,407			$	—			$	—			$	2,407

Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]

		*Three Months Ended*
		*September 30, 2019*								*September 30, 2018*
		*Assets*				*Liability*				*Assets*				*Liability*
*(In thousands)*		*Investment Available for Sale*				*Contingent Payments*				*Investment Available for Sale*				*Contingent Payments*
Balance at beginning of reporting period		$	15,963			$	(2,072	)		$	15,591			$	(2,577	)
Total gains (losses) (realized or unrealized):
Included in interest income (expense)			37				(33	)			35				(67	)
Included in other comprehensive income (loss)			751				—				191				—
Included in other items, net			—				40				—				(114	)
Purchases, sales, issuances and settlements:
Settlements			—				207				—				201
Balance at end of reporting period		$	16,751			$	(1,858	)		$	15,817			$	(2,557	)

		*Nine Months Ended*
		*September 30, 2019*								*September 30, 2018*
		*Assets*				*Liability*				*Assets*				*Liability*
*(In thousands)*		*Investment Available for Sale*				*Contingent Payments*				*Investment Available for Sale*				*Contingent Payments*
Balance at beginning of reporting period		$	15,772			$	(2,407	)		$	17,752			$	(2,887	)
Total gains (losses) (realized or unrealized):
Included in interest income (expense)			112				(109	)			107				(186	)
Included in other comprehensive income (loss)			1,377				—				(1,567	)			—
Included in other items, net			—				(21	)			—				(132	)
Purchases, sales, issuances and settlements:
Settlements			(510	)			679				(475	)			648
Balance at end of reporting period		$	16,751			$	(1,858	)		$	15,817			$	(2,557	)

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

		*September 30, 2019*
*(In thousands)*		*Outstanding Face Amount*				*Carrying Value*				*Estimated Fair Value*			*Fair Value Hierarchy*
Liabilities
Obligation under assessment arrangements		$	28,510			$	23,529			$	28,447		Level 3

		*December 31, 2018*
*(In thousands)*		*Outstanding Face Amount*				*Carrying Value*				*Estimated Fair Value*			*Fair Value Hierarchy*
Liabilities
Obligation under assessment arrangements		$	29,943			$	24,477			$	29,591		Level 3

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

		*September 30, 2019*
*(In thousands)*		*Outstanding Face Amount*				*Carrying Value*				*Estimated Fair Value*			*Fair Value Hierarchy*
Bank credit facility		$	1,592,308			$	1,573,944			$	1,592,575		Level 2
6.875% senior notes due 2023			750,000				743,615				776,250		Level 1
6.375% senior notes due 2026			750,000				741,399				794,063		Level 1
6.000% senior notes due 2026			700,000				690,407				736,750		Level 1
Other			58,379				58,379				58,379		Level 3
Total debt		$	3,850,687			$	3,807,744			$	3,958,017

		*December 31, 2018*
*(In thousands)*		*Outstanding Face Amount*				*Carrying Value*				*Estimated Fair Value*			*Fair Value Hierarchy*
Bank credit facility		$	1,771,330			$	1,748,529			$	1,720,654		Level 2
6.875% senior notes due 2023			750,000				742,299				757,500		Level 1
6.375% senior notes due 2026			750,000				740,406				724,688		Level 1
6.000% senior notes due 2026			700,000				689,361				657,125		Level 1
Other			58,705				58,705				58,705		Level 3
Total debt		$	4,030,035			$	3,979,300			$	3,918,672