Employee Benefits (Tables)

6 Months Ended

Jun. 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):


	June 30,		December 31,
	2018		2017
Included in other current liabilities	$	6,066	$	5,899
Included in other long-term liabilities		8,018		8,721

	$	14,084	$	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):


	June 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 six months ended June 30, 2018 were as follows:


						Performance-Based Stock					Performance-Based Restricted
	Common Stock Awards					Awards					Stock Units
				Weighted					Weighted					Weighted
				Average Fair					Average Fair					Average Fair
				Market Value					Market Value					Market Value
	Awards			Per Share		Awards			Per Share		Units			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		(1,329	)		44.82		(14,448	)		41.00		(1,464	)		52.94

Nonvested awards/units at June 30, 2018		175,162		$	47.45		115,698		$	52.25		13,488		$	56.05

Summary of Stock Compensation Expenses

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


	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
Cost of sales	$	180	$	—	$	655	$	—
Selling		89		—		372		—
Administrative		1,687		2,090		3,169		2,570

	$	1,956	$	2,090	$	4,196	$	2,570