Income Taxes - Tax Effects of Temporary Differences (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred income tax liabilities:
Tax in excess of book depreciation	$ 43,336	$ 42,345	$ 35,411
Goodwill	1,580	1,554	1,949
Intangible assets	86,492	91,947	15,944
Other deferred tax liabilities	1,771	897	1,924
Gross deferred income tax liabilities	133,179	136,743	55,228
Deferred income tax assets:
Goodwill	1,165	1,666	2,411
Inventories	960	4,490	2,035
Pension/Personnel accruals	1,602	2,778	3,029
Net operating loss carry forwards	10,296	8,313	1,196
Foreign tax credits	5,759	3,242	290
Guarantee claim deduction	414	1,141	1,141
Credit carry forwards	4,581	4,958	1,853
Accruals and reserves	1,741
Other deferred tax assets	11,160	2,510	1,926
Gross deferred income tax assets	37,678	29,098	13,881
Valuation allowance on deferred tax assets	(4,090)	(2,376)		$ (1,434)
Net deferred income tax assets	33,588	26,722	13,881
Net deferred income tax assets	0	0	0
Net deferred income tax liabilities	$ (99,591)	$ (110,021)	$ (41,347)