Other Noncurrent Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Other Liabilities Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

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

	March 31, 2015		December 31, 2014
Pension and retiree medical obligations	$	86,237	$	90,584
Liability for uncertain tax positions	2,385		2,471
Deferred revenue	4,097		4,612
Other	14,576		16,610
Total other noncurrent liabilities	$	107,295	$	114,277