Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Measurements

Fair Value Measurement Of Assets And Liabilities On A Recurring Basis

	Fair Value Measurements at June 30, 2017
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Assets associated with interest rate swap contracts	$	12,919	$	—	$	12,919	$	—
Liabilities
Liabilities associated with interest rate swap contracts	$	(24,234)	$	—	$	(24,234)	$	—
Liabilities associated with acquisition-related contingent consideration	$	(43,175)	$	—	$	—	$	(43,175)

	Fair Value Measurements at December 31, 2016
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Assets associated with interest rate swap contracts	$	14,137	$	—	$	14,137	$	—
Liabilities
Liabilities associated with interest rate swap contracts	$	(30,989)	$	—	$	(30,989)	$	—