Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 31, 2019
Current assets:
Cash	$ 31,141	$ 11,000
Accounts receivable, net	268,920	231,311
Operating supplies	12,647	12,127
Other current assets	11,970	26,987
Total current assets	324,678	281,425
Property and equipment	681,908
Less accumulated depreciation	474,652
Property and equipment, net	207,256	199,850
Right-of-use assets - operating leases	54,188	40,033
Other assets	17,653	22,335
Intangible Assets, Net (Excluding Goodwill)	10,432	10,934
Goodwill	43,804	42,285
Total assets	658,011	596,862
Current liabilities:
Accounts payable	37,723	41,191
Accrued expenses	65,861	52,431
Current portion of long-term debt and finance lease liabilities	18,383	24,650
Other current liabilities	48,095	47,400
Total current liabilities	170,062	165,672
Long-term debt	159,775	143,354
Lease liabilities - finance leases	4,461	1,795
Lease liabilities - operating leases	36,490	25,200
Self-insurance reserve	70,852	62,113
Other noncurrent liabilities	11,371	12,268
Total liabilities	453,011	410,402
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP); 5,129 and 5,147 shares at redemption value as of June 27, 2020 and December 31, 2019	127,722	124,555
Common shareholders' equity:
Common shares, $1.00 par value, per share; 48,000 shares authorized; 37,784 and 37,767 shares issued and outstanding before deducting treasury shares and which excludes 5,129 and 5,147 shares subject to redemption as of June 27, 2020 and December 31, 2019	37,784	37,767
Additional paid-in capital	103,291	96,366
Retained earnings	204,999	179,770
Accumulated other comprehensive loss	(6,586)	(5,403)
Shareholders' equity before treasury stock	339,488	308,500
Less: Cost of common shares held in treasury; 20,042 shares at June 27, 2020 and 19,737 shares at December 31, 2019	262,210	246,595
Total common shareholders' equity	77,278	61,905
Total liabilities and shareholders' equity	$ 658,011	$ 596,862