Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Reserves and allowances not currently deductible for tax purposes	$ 15,506	$ 14,292
Basis difference related to fixed assets	9,697	10,170
Compensation and benefits	9,273	8,964
Basis difference for inventory valuation	2,100	1,764
Compensatory stock options and rights	5,715	3,659
Deferred revenue and other	226	169
Operating loss carryforwards	75,110	96,067
Tax credit carryforwards	32,730	19,787
Basis difference related to intangible assets with a definite life	13,993	16,617
Other	389	(162)
Total deferred tax assets	164,739	171,327
Valuation allowance for deferred tax assets	(16,515)	(164,616)
Deferred tax assets, net of valuation allowance	148,224	6,711
Deferred tax liabilities:
Prepaid expenses	(1,082)	(868)
Basis difference related to intangible assets with an indefinite life	(34,031)	(33,974)
Total deferred tax liabilities	(35,113)	(34,842)
Net deferred tax assets	113,111
Net deferred tax liabilities		(28,131)
Net deferred tax assets are shown on the accompanying consolidated balance sheets as follows:
Non-current deferred tax assets	114,707	6,962
Non-current deferred tax liabilities	$ (1,596)	$ (35,093)