Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2020

Postemployment Benefits [Abstract]

Summary of Workers' Compensation Known Claims and IBNR Reserves

Workers’ compensation expense totaled $4.4 million and $4.2 million for the three months ended March 31, 2020 and 2019, respectively. Workers’ compensation known claims and IBNR reserves included on the Condensed Consolidated Balance Sheets were as follows (in thousands):

	March 31, 2020		December 31, 2019
Included in other current liabilities	$	6,063	$	6,777
Included in other long-term liabilities		12,165		10,874
	$	18,228	$	17,651

Schedule of Insurance Receivable for Claims

We also had an insurance receivable for claims that exceeded the stop loss limit for fully insured policies included on the Condensed Consolidated Balance Sheets. This receivable offsets an equal liability included within the reserve amounts noted above and was as follows (in thousands):

	March 31, 2020		December 31, 2019
Included in other non-current assets	$	1,955	$	2,098

Summary of Equity-based Awards for Employees

Amounts and changes for each category of equity-based award were as follows:

	Common Stock Awards					Performance-Based Stock Awards				Performance-Based Restricted Stock Units
	Awards			Weighted Average Grant Date Fair Value Per Share		Awards		Weighted Average Grant Date Fair Value Per Share		Units			Weighted Average Grant Date Fair Value Per Share
Nonvested awards/units at December 31, 2019		152,882		$	52.93		160,289	$	50.49		13,186		$	51.62
Granted		7,420			75.88		57,450		77.28		—			—
Vested		(568	)		52.63		—		—		—			—
Forfeited/Cancelled		(1,759	)		52.25		—		—		(92	)		51.62
Nonvested awards/units at March 31, 2020		157,975		$	54.02		217,739	$	57.53		13,094		$	51.62

Summary of Stock Compensation Expenses

We recorded the following stock compensation expense by income statement category (in thousands):

	Three months ended March 31,
	2020		2019
Cost of sales	$	96	$	78
Selling		49		44
Administrative		2,536		1,816
	$	2,681	$	1,938