Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (552.2)	$ 24.4	$ (632.5)	$ (7.5)
Other comprehensive loss
Translation adjustments	(6.7)	(23.0)	(29.8)	(22.8)
Pension and other postretirement benefit plan adjustments	0.0	(1.5)	0.0	(4.5)
Other comprehensive loss, before tax	(6.7)	(24.5)	(29.8)	(27.3)
Income tax benefit related to items of other comprehensive loss	0.0	0.6	0.0	1.7
Other comprehensive loss, net of tax	(6.7)	(23.9)	(29.8)	(25.6)
Total comprehensive income (loss)	(558.9)	0.5	(662.3)	(33.1)
Less: comprehensive loss attributable to noncontrolling interests	0.0	0.0	0.0	0.3
Comprehensive income (loss) attributable to Quad/Graphics common shareholders	$ (558.9)	$ 0.5	$ (662.3)	$ (32.8)