Other Noncurrent Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Other Liabilities Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

The components of Other noncurrent liabilities as of March 31, 2014 and December 31, 2013 were:

	March 31, 2014		December 31, 2013
Pension and retiree medical obligations	$	67,731	$	67,777
Liability for uncertain tax positions	3,017		4,624
Deferred revenue	5,184		5,578
Other	15,416		15,087
Total other noncurrent liabilities	$	91,348	$	93,066