Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 381.4	$ 439.3
Restricted amounts held in escrow	31.4	38.7
Accounts receivable, net	579.9	505.0
Prepaid expenses and other	65.5	46.8
Total current assets	1,058.2	1,029.8
Property and Equipment:
Cost	2,977.1	2,795.5
Less – accumulated depreciation	(2,031.3)	(2,031.3)
Net property and equipment	945.8	764.2
Deferred income taxes, net	2.0	0.9
Pension	66.0	63.2
Operating lease right-of-use assets	246.4	276.0
Other assets	36.1	51.7
Total Assets	2,354.5	2,185.8
Current Liabilities:
Accounts payable	214.6	160.7
Wages, vacations and employee benefits	222.6	214.6
Current operating lease liabilities	108.1	114.2
Claims and insurance accruals	108.6	108.2
Other accrued taxes	75.9	68.6
Other current and accrued liabilities	43.7	30.4
Current maturities of long-term debt	4.4	4.0
Total current liabilities	777.9	700.7
Other Liabilities:
Long-term debt, less current portion	1,391.1	1,221.4
Operating lease liabilities	148.5	172.6
Claims and other liabilities	318.2	314.4
Commitments and contingencies
Shareholders’ Deficit:
Cumulative preferred stock, $1 par value per share
Common stock, $0.01 par value per share - authorized 95,000,000 shares, issued 50,660,100 and 50,192,000 shares, respectively	0.5	0.5
Capital surplus	2,385.4	2,383.6
Accumulated deficit	(2,429.2)	(2,365.9)
Accumulated other comprehensive loss	(145.2)	(148.8)
Treasury stock, at cost	(92.7)	(92.7)
Total shareholders’ deficit	(281.2)	(223.3)
Total Liabilities and Shareholders’ Deficit	$ 2,354.5	$ 2,185.8