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Schedule of Other Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Other Assets, Noncurrent [Abstract]
Recoverable insurance losses	$ 4,673	$ 4,056
Investments held for supplemental savings plan accounts	5,149	4,807
Long-term deposits	17,666	16,848
Deferred tax asset	395	395
Right of use asset	4,638
Other	5,986	5,220
Total other assets	$ 38,507	$ 31,326

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- Definition

Investments held for supplemental savings plan accounts.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of noncurrent assets classified as other.

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Amount of long-term investments classified as other.

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