Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 31, 2019
Current assets:
Cash	$ 66,829	$ 11,000
Accounts receivable, net	247,667	231,311
Operating supplies	12,493	12,127
Other current assets	19,523	26,987
Total current assets	346,512	281,425
Property and equipment	676,771	667,895
Less accumulated depreciation	473,789	468,045
Property and equipment, net	202,982	199,850
Right-of-use assets - operating leases	49,787	40,033
Other assets	20,994	22,335
Intangible Assets, Net (Excluding Goodwill)	11,095	10,934
Goodwill	43,780	42,285
Total assets	675,150	596,862
Current liabilities:
Accounts payable	46,052	41,191
Accrued expenses	38,231	52,431
Current portion of long-term debt and finance lease liabilities	22,107	24,650
Other current liabilities	54,295	47,400
Total current liabilities	160,685	165,672
Long-term debt	220,084	143,354
Lease liabilities - finance leases	1,104	1,795
Lease liabilities - operating leases	32,712	25,200
Self-insurance reserve	66,530	62,113
Other noncurrent liabilities	12,395	12,268
Total liabilities	493,510	410,402
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP); 5,236 and 5,147 shares at redemption value as of March 28, 2020 and December 31, 2019	126,715	124,555
Common shareholders' equity:
Common shares, $1.00 par value, per share; 48,000 shares authorized; 37,678 and 37,767 shares issued and outstanding before deducting treasury shares and which excludes 5,236 and 5,147 shares subject to redemption as of March 28, 2020 and December 31, 2019	37,678	37,767
Additional paid-in capital	97,247	96,366
Retained earnings	179,368	179,770
Accumulated other comprehensive loss	(7,346)	(5,403)
Shareholders' equity before treasury stock	306,947	308,500
Less: Cost of common shares held in treasury; 19,848 shares at March 28, 2020 and 19,737 shares at December 31, 2019	252,022	246,595
Total common shareholders' equity	54,925	61,905
Total liabilities and shareholders' equity	$ 675,150	$ 596,862