Business Segment Information - Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Oct. 31, 2018	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Net sales:
Total net sales	$ 987.7	$ 1,012.1	$ 968.3	$ 905.7	$ 968.1	$ 961.8	$ 887.4	$ 820.9	$ 3,873.8	$ 3,638.2	$ 3,323.6
Operating profit (loss):
Total operating profit (loss)									370.5	299.5	225.6
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense									126.9	120.5	127.7
Capital expenditures:
Total capital expenditures									139.1	100.1	101.1
Assets:
Total assets	3,194.8				3,232.3				3,194.8	3,232.3	3,153.0
Rigid Industrial Packaging & Services
Net sales:
Total net sales									2,623.6	2,522.7	2,324.2
Operating profit (loss):
Total operating profit (loss)									183.2	190.1	143.9
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense									81.2	77.0	84.6
Paper Packaging & Services
Net sales:
Total net sales									898.5	800.9	687.1
Operating profit (loss):
Total operating profit (loss)									158.3	93.5	89.1
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense									34.2	31.9	31.6
Flexible Products & Services
Net sales:
Total net sales									324.2	286.4	288.1
Operating profit (loss):
Total operating profit (loss)									19.4	5.8	(15.5)
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense									6.9	7.0	7.7
Land Management
Net sales:
Total net sales									27.5	28.2	24.2
Operating profit (loss):
Total operating profit (loss)									9.6	10.1	8.1
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense									4.6	4.6	3.8
Operating Segments
Capital expenditures:
Total capital expenditures									120.1	83.9	84.9
Assets:
Total assets	2,938.4				2,945.1				2,938.4	2,945.1	2,866.6
Operating Segments | Rigid Industrial Packaging & Services
Capital expenditures:
Total capital expenditures									76.8	57.6	53.9
Assets:
Total assets	1,963.0				1,976.7				1,963.0	1,976.7	1,930.8
Operating Segments | Paper Packaging & Services
Capital expenditures:
Total capital expenditures									39.2	23.2	27.2
Assets:
Total assets	474.3				459.8				474.3	459.8	439.8
Operating Segments | Flexible Products & Services
Capital expenditures:
Total capital expenditures									3.7	2.6	3.2
Assets:
Total assets	153.9				163.2				153.9	163.2	156.1
Operating Segments | Land Management
Capital expenditures:
Total capital expenditures									0.4	0.5	0.6
Assets:
Total assets	347.2				345.4				347.2	345.4	339.9
Corporate and Other
Capital expenditures:
Total capital expenditures									19.0	16.2	16.2
Assets:
Total assets	$ 256.4				$ 287.2				$ 256.4	$ 287.2	$ 286.4