Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventories

The following table summarizes inventories by major classification:

	December 31,
	2016		2015
	(in thousands)
Finished goods	$	142,333	$	162,341
Work-in-progress	654		918
Raw materials	4,042		4,933
Total inventories	$	147,029	$	168,192