Business Segments, Geographic Data, Sales by Product Group and Major Customers - Information by Segment and Reconciliation to Reported Amounts (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 132,326	$ 236,699	$ 105,781	$ 93,004	$ 136,628	$ 262,413	$ 119,565	$ 94,505	$ 567,810	$ 613,111	$ 706,603
Income (Loss) from Operations	(4,418)	$ 20,043	$ (12,140)	$ (35,658)	(26,580)	$ (7,746)	$ (14,108)	$ (15,724)	(32,173)	(64,158)	17,106
Depreciation and Amortization Expense									17,081	21,003	22,944
Assets	342,841				370,349				342,841	370,349
U.S. and Canada
Segment Reporting Information [Line Items]
Net sales									364,313	406,411	478,595
Income (Loss) from Operations									(11,693)	(35,720)	17,434
Depreciation and Amortization Expense									12,553	15,286	16,817
Assets	223,877				229,505				223,877	229,505
International
Segment Reporting Information [Line Items]
Net sales									101,873	107,231	131,229
Income (Loss) from Operations									(8,706)	(13,184)	4,360
Depreciation and Amortization Expense									3,449	4,079	4,549
Assets	108,669				106,255				108,669	106,255
Halloween
Segment Reporting Information [Line Items]
Net sales									101,624	99,469	96,779
Income (Loss) from Operations									(11,774)	(15,254)	(4,688)
Depreciation and Amortization Expense									1,079	1,638	$ 1,578
Assets	$ 10,295				$ 34,589				$ 10,295	$ 34,589