Business Segment Information - Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Operating profit:
Total operating profit (loss)	$ 304.9	$ 399.1	$ 370.5
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	242.5	206.1	126.9
Capital expenditures:
Total capital expenditures	130.0	156.9	139.1
Assets By Business Segment [Abstract]
Total assets	5,510.9	5,426.7	3,194.8
Rigid Industrial Packaging & Services
Operating profit:
Total operating profit (loss)	209.9	179.6	183.2
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	78.9	76.3	81.2
Paper Packaging & Services
Operating profit:
Total operating profit (loss)	71.0	184.3	158.3
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	153.5	119.3	34.2
Flexible Products & Services
Operating profit:
Total operating profit (loss)	15.5	25.3	19.4
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	5.6	6.2	6.9
Land Management
Operating profit:
Total operating profit (loss)	8.5	9.9	9.6
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	4.5	4.3	4.6
Operating Segments
Capital expenditures:
Total capital expenditures	117.4	139.8	120.1
Assets By Business Segment [Abstract]
Total assets	5,211.4	5,189.5	2,938.4
Operating Segments | Rigid Industrial Packaging & Services
Capital expenditures:
Total capital expenditures	48.3	53.6	76.8
Assets By Business Segment [Abstract]
Total assets	2,189.7	2,006.3	1,963.0
Operating Segments | Paper Packaging & Services
Capital expenditures:
Total capital expenditures	61.4	81.2	39.2
Assets By Business Segment [Abstract]
Total assets	2,524.3	2,686.3	474.3
Operating Segments | Flexible Products & Services
Capital expenditures:
Total capital expenditures	7.5	4.8	3.7
Assets By Business Segment [Abstract]
Total assets	148.8	148.2	153.9
Operating Segments | Land Management
Capital expenditures:
Total capital expenditures	0.2	0.2	0.4
Assets By Business Segment [Abstract]
Total assets	348.6	348.7	347.2
Corporate and Other
Capital expenditures:
Total capital expenditures	12.6	17.1	19.0
Assets By Business Segment [Abstract]
Total assets	$ 299.5	$ 237.2	$ 256.4