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Income Taxes - Schedule of Current and Non-Current Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Income Tax Disclosure [Abstract] |  |
Reserves, Current | $ 5,001 | $ 6,871
Compensation, Current | 3,111 | 3,332
Post-retirement benefits, Current | 1,070 | 1,285
Intangible Assets, Current |  |
Pension, Current | 802 | 508
Inventories, Current | 1,491 | 1,447
Other | 893 | 204
Tax carryforwards, Current | 10,322 | 5,218
Subtotal, Current | 22,690 | 18,865
Valuation allowance, Current | (1,255) | (3,233)
Total, Current | 21,435 | 15,632
Reserves, Non-current | 7,919 | 8,095
Compensation, Non-current | 5,000 | 5,034
Post-retirement benefits, Non-current | 19,819 | 22,642
Property, Non-current | (98,889) | (92,144)
Intangible Assets, Non-current | (28,918) | (1,603)
Pension, Non-current | (51,148) | (14,681)
Other, Non-current | 2,377 | 2,578
Tax carryforwards, Non-current | 16,922 | 43,409
Subtotal, Non-current | (126,918) | (26,670)
Valuation allowance, Non-current | (4,905) | (27,266)
Total, Non-current | $ (131,823) | $ (53,936)

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