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Income Taxes - Schedule Showing Tax Effects of Significant Temporary Differences Representing Deferred Tax Assets and Liabilities (Detail) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Deferred Tax Assets: |  |
Pensions | $ 446,000 | $ 144,000
Deferred revenue | 2,640,000 | 3,483,000
Other accruals and reserves | 14,638,000 | 13,949,000
Legal and environmental accruals | 7,292,000 | 10,283,000
Deferred compensation | 12,199,000 | 13,845,000
Bad debt and rebate reserves | 4,916,000 | 3,729,000
Non-U.S. subsidiaries net operating loss carryforwards | 6,512,000 | 3,634,000
Amortization of intangibles | 37,123,000 | 28,311,000
Inventories | 8,959,000 | 10,577,000
Tax credit carryforwards | 13,682,000 | 8,183,000
Deferred Tax Assets, Gross | 108,407,000 | 96,138,000
Deferred Tax Liabilities: |  |
Depreciation | (82,907,000) | (52,130,000)
Unrealized foreign exchange loss | (2,784,000) | (3,603,000)
Other | (2,991,000) | (3,064,000)
Deferred Tax Liabilities, Gross | (88,682,000) | (58,797,000)
Valuation Allowance | (853,000) | (836,000)
Net Deferred Tax Assets | 18,872,000 | 36,505,000
Reconciliation to Consolidated Balance Sheet: |  |
Non-current deferred tax assets (in other non-current assets) | 29,245,000 | 46,684,000
Non-current deferred tax liabilities | $ (10,373,000) | $ (10,179,000)

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