Significant Components of Net Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
State net operating loss carryforwards	$ 1,225	$ 753
U.S. Federal net operating loss carryforwards	4,278	6,467
Receivable reserves	675	5,495
Hedging transaction	551	5,611
Intangibles	68,922	3,185
Investment in joint ventures	6,733
Equity compensation	2,600	2,030
Foreign Tax Credit	5,317	18,190
Other	7,183	5,572
Total deferred tax assets	97,484	47,303
Valuation allowance	(80,800)
Net deferred tax assets	16,684	47,303
Trademarks, goodwill and other intangibles		(41,422)
Depreciation	(614)	(744)
Difference in cost basis of acquired intangibles	(22,652)	(50,650)
Convertible notes	(392)	(7,889)
Investment in joint ventures		(31,813)
Total deferred tax liabilities	(23,658)	(132,518)
Total net deferred tax (liabilities)	(6,974)	(85,215)
Balance Sheet detail on total net deferred tax assets (liabilities):
Non-current portion of net deferred tax assets	4,492	884
Non-current portion of net deferred tax liabilities	$ (11,466)	$ (86,099)