Accounts Receivable, Net and Supplemental Balance-Sheet Information (Tables)

3 Months Ended

Mar. 30, 2024

Accounts Receivable, Net and Supplemental Balance-Sheet Information [Abstract] [Abstract]

Accounts receivable, net [Table Text Block]

Accounts receivable, net, consisted of the following:

Accounts receivable, net	March 30, 2024		December 31, 2023
Accounts receivable	$	238,553	$	263,426
Unbilled receivables(1)	110,242		99,485
	348,795		362,911
Less allowances for credit losses	3,659		2,441
Accounts receivable, net	$	345,136	$	360,470

(1)    Unbilled receivables consist of work-in-process in accordance with the terms of contracts, primarily with utility services customers.

Schedule of other current assets [Table Text Block]

The following items comprised the amounts included in the balance sheets:

Other current assets	March 30, 2024		December 31, 2023
Refundable income taxes	$	3,545	$	—
Prepaid expenses	30,947		44,534
Mitigation bank credit inventory	24,636		28,385
Assets invested for self-insurance	21,183		20,959
Payroll taxes refundable	21,618		22,591
Other	163		302
Total	$	102,092	$	116,771

Property, plant and equipment [Table Text Block]

Property and equipment, net	March 30, 2024		December 31, 2023
Land and land improvements	$	28,435	$	28,177
Buildings and leasehold improvements	106,854		99,964
Equipment	704,250		684,562
	839,539		812,703
Less accumulated depreciation	502,018		500,025
Total	$	337,521	$	312,678

Schedule of other assets, noncurrent [Table Text Block]

Other assets, noncurrent	March 30, 2024		December 31, 2023
Investment--cost-method affiliate	$	1,630	$	1,405
Deferred income taxes	6,001		6,001
Cloud computing arrangements	67		107
Other	4,309		4,362
Total	$	12,007	$	11,875

Accrued expenses [Table Text Block]

Accrued expenses	March 30, 2024		December 31, 2023
Employee compensation	$	17,387	$	40,656
Accrued compensated absences	14,913		14,483
Self-insured medical claims	1,189		2,309
Income tax payable	808		1,135
Customer advances, deposits	3,296		1,275
Taxes, other than income	6,970		6,017
Other	13,827		16,069
Total	$	58,390	$	81,944

Other current liabilities [Table Text Block]

Other current liabilities	March 30, 2024		December 31, 2023
Notes payable	$	2,499	$	543
Current portion of:
Lease liability-operating leases	39,602		39,043
Self-insurance accruals	49,043		50,379
Total	$	91,144	$	89,965

Other noncurrent liabilities [Table Text Block]

Other noncurrent liabilities	March 30, 2024		December 31, 2023
Non-qualified retirement plans	$	5,808	$	5,630
Other	5,798		6,096
Total	$	11,606	$	11,726