Other Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2017

Balance Sheet Disclosures [Abstract]

Other Current Assets

The table below presents comparative detailed information about other current assets at December 31, 2017 and 2016 (in thousands):

	December 31,
	2017		2016
Other current assets:
Prepaid current assets	$	9,598	$	10,291
Reinsurance receivable	7,328		7,922
Current assets held for sale	—		3,667
Other	2,551		3,882
Total	$	19,477	$	25,762

Other Non-Current Assets

The table below presents comparative detailed information about other non-current assets at December 31, 2017 and 2016 (in thousands):

	December 31,
	2017		2016
Other non-current assets:
Reinsurance receivable	$	7,768	$	8,393
Deposits	1,246		8,292
Equity method investments	—		560
Non-current assets held for sale	—		360
Other	5,528		135
Total	$	14,542	$	17,740

Other Current Liabilities

The table below presents comparative detailed information about other current liabilities at December 31, 2017 and 2016 (in thousands):

	December 31,
	2017		2016
Other current liabilities:
Accrued payroll, taxes and employee benefits	$	19,874	$	23,224
Accrued operating expenditures	11,644		16,669
Income, sales, use and other taxes	12,151		10,748
Self-insurance reserves	26,761		35,484
Accrued interest	6,605		1,419
Accrued insurance premiums	4,077		2,347
Unsettled legal claims	4,747		5,398
Accrued severance	250		2,219
Current liabilities held for sale	—		371
Other	1,470		6,059
Total	$	87,579	$	103,938

Other Non-Current Liabilities

The table below presents comparative detailed information about other non-current liabilities at December 31, 2017 and 2016 (in thousands):

	December 31,
	2017		2016
Other non-current liabilities:
Deferred tax liabilities	$	—	$	35
Asset retirement obligations	8,931		9,035
Environmental liabilities	1,977		3,446
Accrued sales, use and other taxes	17,142		16,735
Other	116		528
Total	$	28,166	$	29,779