Information by Segment and Reconciliation to Reported Amounts (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 302,791	$ 337,027	$ 539,577	$ 582,334
Income (Loss) from Operations	34,413	44,628	19,497	37,421
Depreciation and Amortization Expense	8,206	7,379	16,898	14,220
Assets	560,123		560,123		$ 499,620	[1]
U.S. and Canada
Segment Reporting Information [Line Items]
Net Sales	188,381	202,568	350,320	350,855
Income (Loss) from Operations	24,865	28,126	16,966	21,808
Depreciation and Amortization Expense	5,787	4,976	12,097	9,426
Assets	339,212		339,212		320,528
International
Segment Reporting Information [Line Items]
Net Sales	57,333	77,701	97,454	137,523
Income (Loss) from Operations	6,876	12,724	4,371	15,530
Depreciation and Amortization Expense	1,800	1,847	3,354	3,531
Assets	175,232		175,232		157,493
Halloween
Segment Reporting Information [Line Items]
Net Sales	57,077	56,758	91,803	93,956
Income (Loss) from Operations	2,672	3,778	(1,840)	83
Depreciation and Amortization Expense	619	$ 556	1,447	$ 1,263
Assets	$ 45,679		$ 45,679		$ 21,599

[1] Derived from audited financial statements