Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Apr. 30, 2021	Oct. 31, 2020
Current assets
Cash and cash equivalents	$ 435.7	$ 394.2
Trade accounts receivable, net of allowances of $34.7 and $35.5 at April 30, 2021 and October 31, 2020, respectively	878.4	854.2
Costs incurred in excess of amounts billed	37.7	52.2
Prepaid expenses	88.8	85.4
Other current assets	58.5	55.9
Total current assets	1,499.0	1,441.9
Other investments	12.4	11.1
Property, plant and equipment, net of accumulated depreciation of $260.0 and $241.3 at April 30, 2021 and October 31, 2020, respectively	124.3	133.7
Right-of-use assets	131.9	143.1
Other intangible assets, net of accumulated amortization of $365.9 and $343.8 at April 30, 2021 and October 31, 2020, respectively	218.3	239.7
Goodwill	1,675.5	1,671.4
Deferred income tax asset, net	11.5	0.0
Other noncurrent assets	119.2	136.1
Total assets	3,792.0	3,776.9
Current liabilities
Current portion of long-term debt, net	117.0	116.7
Trade accounts payable	222.9	273.3
Accrued compensation	169.9	187.6
Accrued taxes—other than income	104.9	45.5
Insurance claims	157.6	155.2
Income taxes payable	17.4	6.2
Current portion of lease liabilities	33.3	35.0
Other accrued liabilities	241.3	167.3
Total current liabilities	1,064.4	986.9
Long-term debt, net	524.2	603.0
Long-term lease liabilities	121.4	131.4
Deferred income tax liability, net	0.0	10.8
Noncurrent insurance claims	361.5	366.3
Other noncurrent liabilities	110.5	168.1
Noncurrent income taxes payable	10.2	10.1
Total liabilities	2,192.2	2,276.6
Commitments and contingencies
Stockholders’ Equity
Preferred stock, $0.01 par value; 500,000 shares authorized; none issued	0.0	0.0
Common stock, $0.01 par value; 100,000,000 shares authorized; 67,120,439 and 66,748,157 shares issued and outstanding at April 30, 2021 and October 31, 2020, respectively	0.7	0.7
Additional paid-in capital	737.1	724.1
Accumulated other comprehensive loss, net of taxes	(23.6)	(30.8)
Retained earnings	885.6	806.4
Total stockholders’ equity	1,599.8	1,500.3
Total liabilities and stockholders’ equity	$ 3,792.0	$ 3,776.9