Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Values and Related Carrying Values of Debt

At June 30, 2018, and December 31, 2017, the fair values and related carrying values of debt, including current maturities, were as follows (the fair value and carrying value amounts are presented without regard to unamortized debt issuance costs of $1,067,000 and $987,000 as of June 30, 2018 and December 31, 2017, respectively):

(In thousands)	June 30, 2018		December 31, 2017
Fair value	$	284,254	$	293,272
Carrying value		287,883		291,786

Financial Assets and Liabilities Measured on a Recurring Basis at Fair Value

The following tables present financial assets and liabilities measured on a recurring basis at fair value as of June 30, 2018, and December 31, 2017, and the level within the fair value hierarchy in which the fair value measurements fall:

(In thousands)	June 30, 2018		Level 1		Level 2		Level 3
Mutual fund assets	$	27,229	$	27,229	$	—	$	—
Derivative assets:
Foreign currency contracts		295		—		295		—
Total assets at fair value	$	27,524	$	27,229	$	295	$	—
Derivative liabilities:
Foreign currency contracts	$	441	$	—	$	441	$	—

(In thousands)	December 31, 2017		Level 1		Level 2		Level 3
Mutual fund assets	$	28,270	$	28,270	$	—	$	—
Derivative assets:
Foreign currency contracts		335		—		335		—
Total assets at fair value	$	28,605	$	28,270	$	335	$	—
Derivative liabilities :
Foreign currency contracts	$	94	$	—	$	94	$	—