Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2017

Other Liabilities Disclosure [Abstract]

Components of Accrued Liabilities

The components of accrued liabilities are as follows: 

	As of
	June 30,		December 31,
	2017		2016
Accrued product related costs	$	5,274	$	5,556
Accrued income taxes	9,542		9,826
Accrued property and other taxes	1,615		1,917
Accrued professional fees	1,413		1,633
Dividends payable	1,318		1,309
Remediation reserves	18,357		18,176
Other accrued liabilities	4,694		7,291
Total accrued liabilities	$	42,213	$	45,708