Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2018

Summary of Workers' Compensation Known Claims and IBNR Reserves

Workers’ compensation known claims and IBNR reserves included on the Condensed Consolidated Balance Sheets were as follows (in thousands):


	September 30,		December 31,
	2018		2017
Included in other current liabilities	$	5,276	$	5,899
Included in other long-term liabilities		10,190		8,721

	$	15,466	$	14,620

Schedule of Insurance Receivable for Claims

This receivable offsets an equal liability included within the reserve amounts noted above and was as follows (in thousands):


	September 30,		December 31,
	2018		2017
Included in other non-current assets	$	1,894	$	1,826

Summary of Equity-based Awards for Employees

Amounts for each category of equity-based award for employees as of December 31, 2017 and changes during the nine months ended September 30, 2018 were as follows:


	Common Stock Awards					Performance-Based Stock Awards					Performance-Based Restricted Stock Units
	Awards			Weighted Average Fair Market Value Per Share		Awards			Weighted Average Fair Market Value Per Share		Units			Weighted Average Fair Market Value Per Share
Nonvested awards/units at December 31, 2017		202,331		$	39.09		77,254		$	41.00		72,000		$	52.16
Granted		65,112			57.51		52,892			65.60		14,072			55.92
Vested		(90,952	)		36.10		—			—		(71,120	)		52.15
Forfeited/Cancelled		(2,010	)		48.63		(14,448	)		41.00		(1,564	)		53.14

Nonvested awards/units at September 30, 2018		174,481		$	47.42		115,698		$	52.25		13,388		$	56.05

Summary of Stock Compensation Expenses

During the three and nine months ended September 30, 2018 and 2017, we recorded the following stock compensation expense, by income statement category (in thousands):


	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Cost of sales	$	94	$	507	$	749	$	507
Selling		30		292		402		292
Administrative		1,769		1,380		4,938		3,950

	$	1,893	$	2,179	$	6,089	$	4,749