Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 02, 2022	Dec. 31, 2021
Current assets:
Cash	$ 10,462	$ 19,460
Accounts receivable, net	319,845	278,280
Operating supplies	16,084	12,662
Other current assets	27,753	37,853
Total current assets	374,144	348,255
Property and equipment	760,963	732,614
Less accumulated depreciation	507,596	504,629
Property and equipment, net	253,367	227,985
Right-of-use assets - operating leases	95,162	86,423
Long-term Investments	39,174	25,401
Other assets	15,085	17,264
Intangible assets, net	11,623	11,633
Goodwill	58,326	55,980
Total assets	846,881	772,941
Current liabilities:
Accounts payable	44,774	43,021
Accrued expenses	75,985	75,138
Current portion of long-term debt and finance lease liabilities	11,108	25,268
Other current liabilities	78,094	77,549
Total current liabilities	209,961	220,976
Long-term debt	182,083	123,531
Lease liabilities - finance leases	8,395	8,646
Lease liabilities - operating leases	62,789	57,335
Self-insurance accruals	88,481	77,099
Other noncurrent liabilities	12,279	11,583
Total liabilities	563,988	499,170
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP) 9,042 and 9,392 shares at redemption value as of July 2, 2022 and December 31, 2021	163,658	169,931
Common shareholders' equity:
Common shares, $.50 par value, per share; 96,000 shares authorized; 76,786 and 76,436 shares issued and outstanding before deducting treasury shares and which excludes 9,042 and 9,392 shares subject to redemption as of July 2, 2022 and December 31, 2021	38,645	38,379
Additional paid-in capital	151,752	135,897
Common shares subscribed, unissued	533	0
Retained earnings	266,745	239,979
Accumulated other comprehensive loss	(4,829)	(4,173)
Shareholders' equity before treasury stock	452,846	410,082
Less: Cost of common shares held in treasury; 42,096 shares at July 2, 2022 and 41,325 shares at December 31, 2021	333,611	306,242
Total common shareholders' equity	119,235	103,840
Total liabilities and shareholders' equity	$ 846,881	$ 772,941
Common stock, par value per share	$ 0.50
Common stock, shares authorized	96,000,000	96,000,000
Common Stock, Shares, Issued	76,786,000	76,436,000
Common stock, shares, outstanding, before treasury shares	76,786,000	76,436,000
Shares subject to redemption	9,042,000	9,392,000
Treasury Stock, Shares	42,096,000	41,325,000