FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value, Assets and Liabilities Measured on Recurring Basis

Fair value measurements and the fair value hierarchy level for the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2018 are shown below (in thousands):



	Frequency	Asset / (Liability)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
December 31, 2018
Commodity swap contracts	Recurring	$	(1,129	)	$	—	$	(1,129	)	$	—
Mutual funds	Recurring	$	4,140		$	4,140	$	—		$	—
Life-insurance contracts	Recurring	$	15,333		$	—	$	15,333		$	—
December 31, 2017
Commodity swap contracts	Recurring	$	—		$	—	$	—		$	—
Mutual funds	Recurring	$	4,284		$	4,284	$	—		$	—
Life-insurance contracts	Recurring	$	13,806		$	—	$	13,806		$	—

Fair Value, Liabilities Measured on Recurring Basis

The Company’s carrying and estimated fair value of debt at December 31, 2018 and December 31, 2017 were as follows (in thousands):



	December 31, 2018								December 31, 2017
			Fair Value								Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Carrying Value		Level 1		Level 2		Level 3
Instrument
Senior notes due 2025	$	319,941	$	—	$	278,688	$	—	$	319,377	$	—	$	328,250	$	—
Term loan credit agreement	184,957		—		181,985		—		186,620		—		188,048		—
Convertible senior notes due 2018	—		—		—		—		44,046		—		83,605		—
Other debt	—		—		—		—		67		—		—		67
Capital lease obligations	1,013		—		—		1,013		1,302		—		—		1,302
	$	505,911	$	—	$	460,673	$	1,013	$	551,412	$	—	$	599,903	$	1,369