Other Noncurrent Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Other Liabilities Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

The components of other noncurrent liabilities as of March 31, 2017 and December 31, 2016 were:

	March 31, 2017		December 31, 2016
Pension and retiree medical obligations	$	98,656	$	93,604
Liability for uncertain tax positions	2,079		2,623
Deferred revenue	2,361		2,442
Other	19,208		22,561
Total other noncurrent liabilities	$	122,304	$	121,230