Other Noncurrent Liabilities (Tables)

6 Months Ended

Jun. 30, 2015

Other Liabilities Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

The components of other noncurrent liabilities as of June 30, 2015 and December 31, 2014 were:

	June 30, 2015		December 31, 2014
Pension and retiree medical obligations	$	87,101	$	90,584
Liability for uncertain tax positions	4,064		2,471
Deferred revenue	3,692		4,612
Other	18,399		16,610
Total other noncurrent liabilities	$	113,256	$	114,277