Separate Financial Information of Subsidiary Guarantors of Indebtedness (Condensed Consolidating Statement of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Condensed Financial Statements, Captions [Line Items]
Net earnings	$ 25.4	$ 3.8
Other comprehensive income (loss), net of tax	8.1	8.4
Comprehensive income	33.5	12.2
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings	(22.9)	(16.6)
Other comprehensive income (loss), net of tax	(7.8)	(5.5)
Comprehensive income	(30.7)	(22.1)
Quad/Graphics, Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings	25.4	3.8
Other comprehensive income (loss), net of tax	8.1	8.4
Comprehensive income	33.5	12.2
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings	14.5	14.8
Other comprehensive income (loss), net of tax	0.4	(1.1)
Comprehensive income	14.9	13.7
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings	8.4	1.8
Other comprehensive income (loss), net of tax	7.4	6.6
Comprehensive income	$ 15.8	$ 8.4