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Employee Benefits (Tables) | 3 Months Ended
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Mar. 31, 2019
Postemployment Benefits [Abstract] |
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):
|  | March 31, 2019 |  |  | December 31, 2018 |
Included in other current liabilities |  | $ | 5,201 |  |  | $ | 5,795 |
Included in other long-term liabilities |  |  | 11,138 |  |  |  | 9,447 |
|  | $ | 16,339 |  |  | $ | 15,242 |
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):
|  | March 31, 2019 |  |  | December 31, 2018 |
Included in other non-current assets |  | $ | 1,905 |  |  | $ | 1,888 |
Summary of Equity-based Awards for Employees | Amounts and changes for each category of equity-based award for employees 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, 2018 |  |  | 173,189 |  |  | $ | 47.40 |  |  |  | 115,698 |  |  | $ | 52.25 |  |  |  | 13,248 |  |  | $ | 56.05 |
Granted |  |  | 10,800 |  |  |  | 45.65 |  |  |  | 82,692 |  |  |  | 45.65 |  |  |  | — |  |  |  | — |
Vested |  |  | (564 | ) |  |  | 54.98 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited/Cancelled |  |  | (445 | ) |  |  | 56.05 |  |  |  | (6,697 | ) |  |  | 65.60 |  |  |  | (440 | ) |  |  | 56.05 |
Nonvested awards/units at March 31, 2019 |  |  | 182,980 |  |  | $ | 47.25 |  |  |  | 191,693 |  |  | $ | 48.93 |  |  |  | 12,808 |  |  | $ | 56.05 |
Summary of Stock Compensation Expenses | We recorded the following stock compensation expense by income statement category (in thousands):
|  | Three months ended March 31, |
|  | 2019 |  |  | 2018 |
Cost of sales |  | $ | 78 |  |  | $ | 475 |
Selling |  |  | 44 |  |  |  | 283 |
Administrative |  |  | 1,816 |  |  |  | 1,482 |
|  | $ | 1,938 |  |  | $ | 2,240 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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