Severance and Restructuring Charges - Schedule of Expenses, Cash Flows, and Accrued Liabilities Associated with Restructuring Actions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Restructuring Cost And Reserve [Line Items]
Cash flow associated with restructuring actions	$ 94	$ 635
Accrued Liabilities associated with restructuring actions	664		$ 758
Warehousing, Marketing and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Expenses associated with restructuring actions		254
First Quarter 2015 Actions Workforce Reduction [Member]
Restructuring Cost And Reserve [Line Items]
Cash flow associated with restructuring actions	94	250
Accrued Liabilities associated with restructuring actions	664		758
First Quarter 2015 Actions Facility Closure [Member]
Restructuring Cost And Reserve [Line Items]
Cash flow associated with restructuring actions		385
First Quarter 2015 Actions Facility Closure [Member] | Warehousing, Marketing and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Expenses associated with restructuring actions		254
Fourth Quarter 2015 Action Workforce Reduction [Member]
Restructuring Cost And Reserve [Line Items]
Cash flow associated with restructuring actions	316	$ 3,179
Accrued Liabilities associated with restructuring actions	$ 1,108		$ 1,424