Inventories, Net

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories, Net

Inventories, Net

The components of inventories, net of allowances, are as follows (in thousands):

	December 31,
	2016		2015
Finished goods	$	73,027	76,512
Work in process	14,719		8,905
Raw materials and supplies	87,047		99,899
	$	174,793	$	185,316

The Company maintains an allowance for excess and obsolete inventory, as well as inventory where its cost is in excess of its net realizable value.  The activity in the allowance for excess, obsolete, and net realizable value inventory account for the two years ended December 31, 2016 and 2015, was as follows (in thousands):

	Years Ended December 31,
	2016			2015
Balance at beginning of year	$	21,537		$	21,368
Provision	32,072			8,827
Additions from acquisitions	—			2,064
Charges processed	(20,077		)	(10,722		)
Balance at end of year	$	33,532		$	21,537