Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 5.6	$ 12.2
Receivables, less allowances of $3.6 and $23.0	450.2	369.6
Inventory, materials and supplies	57.1	35.5
Prepaid expenses	50.4	33.5
Other current assets	9.1	8.3
Total current assets	572.4	459.1
Property, plant and equipment, net	1,966.6	1,729.1
Operating lease right-of-use assets	44.3	37.4
Goodwill	646.3	161.5
Intangible assets, net	928.3	148.1
Deferred income tax assets	5.3	82.5
Other noncurrent assets	35.6	50.9
Total assets	4,198.8	2,668.6
Current liabilities
Current portion of long-term debt	19.7	21.8
Accounts payable	399.2	299.2
Unearned revenue and customer deposits	83.2	68.9
Accrued taxes	25.3	28.1
Accrued interest	1.9	26.7
Accrued payroll and benefits	41.9	50.5
Other current liabilities	45.5	50.9
Total current liabilities	616.7	546.1
Long-term debt, less current portion	1,428.9	1,949.9
Operating lease liabilities	40.2	33.6
Pension and postretirement benefit obligations	141.1	200.2
Pole license agreement obligation	46.2	36.7
Deferred income tax liabilities	139.6	10.9
Other noncurrent liabilities	96.0	82.3
Total liabilities	2,508.7	2,859.7
Shareowners’ equity (deficit)
Preferred stock, no shares authorized, issued and outstanding at December 31, 2021; 2,357,299 shares authorized; 155,250 shares (3,105,000 depositary shares) of 6 3/4% Cumulative Convertible Preferred Stock issued and outstanding at December 31, 2020; liquidation preference $1,000 per share ($50 per depositary share)	0.0	129.4
Common shares, $.01 par value; 100 shares authorized at December 31, 2021; 96,000,000 shares authorized and 50,680,605 shares issued and outstanding at December 31, 2020	0.0	0.5
Additional paid-in capital	1,716.1	2,670.3
Accumulated deficit	(27.2)	(2,831.6)
Accumulated other comprehensive income (loss)	1.2	(159.7)
Total shareowners’ equity (deficit)	1,690.1	(191.1)
Total liabilities and shareowners’ equity (deficit)	$ 4,198.8	$ 2,668.6