Other Noncurrent Liabilities

6 Months Ended

Jun. 30, 2016

Other Liabilities Disclosure [Abstract]

Other Noncurrent Liabilities

Other Noncurrent Liabilities

The components of other noncurrent liabilities as of June 30, 2016 and December 31, 2015 were:

	June 30, 2016		December 31, 2015
Pension and retiree medical obligations	$	86,182	$	76,190
Liability for uncertain tax positions	3,518		4,252
Deferred revenue	2,041		3,763
Other	15,772		18,160
Total other noncurrent liabilities	$	107,513	$	102,365