Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Detail) $ / shares in Units, $ in Millions		12 Months Ended
	Oct. 02, 2016	Dec. 31, 2020 USD ($) Customer $ / shares shares	Dec. 31, 2019 USD ($) Customer $ / shares shares	Dec. 31, 2018 USD ($) Customer	Oct. 01, 2016 Entity
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of single client comprising more than 10% of consolidated net sales | Customer		0	0	0
Percentage of inventory valued at LIFO		36.60%	37.90%
Depreciation expense		$ 100.8	$ 115.5	$ 125.2
Building and related land sales, non-refundable deposit received		123.3
Gross proceeds expected from sale including non-refundable deposits		$ 250.0
Entitled to retain percentage of purchase price in liquidation damages		30.00%
Annual goodwill impairment testing date		--10-31
Preferred stock, authorized | shares		2,000,000.0	2,000,000.0
Preferred stock, par value | $ / shares		$ 1.00	$ 1.00
Number of entities resulted from spinoff of an entity | Entity					2
Error In Accounting For Distribution of Spin Companies
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Immaterial error correction		During the second quarter of 2019, we identified an error in the accounting for the Distribution. As a result, the error, which was determined by management to be immaterial to the previously issued consolidated financial statements, has been corrected by increasing Accumulated Deficit by $12.0 million
Error In Accounting For Distribution of Spin Companies | Accumulated Deficit
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Increasing accumulated deficit			$ 12.0
Donnelley Financial Solutions, Inc.
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of tax free distribution of common shares during spinoff					80.75%
Stock distribution ratio received in spinoff transaction					12.50%
Outstanding common stock retained upon spinoff	19.25%
LSC Communications, Inc.
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of tax free distribution of common shares during spinoff					80.75%
Stock distribution ratio received in spinoff transaction					12.50%
Outstanding common stock retained upon spinoff	19.25%
Rights Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Preferred stock, reserved for issuance | shares		200,000
Computer Software, Intangible Asset
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Amortization expense, primarily related to internally-developed software		$ 26.1	$ 29.4	$ 27.4
Minimum | Buildings
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		15 years
Minimum | Machinery and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		3 years
Maximum | Computer Software, Intangible Asset
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of computer software		5 years
Maximum | Buildings
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		40 years
Maximum | Leasehold Improvements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		7 years
Maximum | Machinery and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		15 years
Net Sales | Client Concentration Risk | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of net sales per client, maximum		10.00%	10.00%	10.00%