Workers' Compensation Expense (Tables)

3 Months Ended

Mar. 31, 2017

Compensation Related Costs [Abstract]

Workers' compensation expense

Workers’ compensation expense consists of the following components:

	Successor		Predecessor
	Three Months Ended March 31, 2017		Three Months Ended March 31, 2016
(In thousands)
Self-insured occupational disease benefits:
Service cost	$	1,558	$	1,105
Interest cost	1,169		1,057
Net amortization	—		1,141
Total occupational disease	$	2,727	$	3,303
Traumatic injury claims and assessments	2,878		2,967
Total workers’ compensation expense	$	5,605	$	6,270