Earnings (Loss) Per Share Attributable to Quad/Graphics Common Shareholders (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net loss from continuing operations	$ (27.6)		$ (20.8)		$ (41.7)	$ (5.4)
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Net (earnings) loss attributable to noncontrolling interests	0.4		0		0.5	(0.1)
Allocation to participating securities	(0.3)		0		(0.6)	0
Net loss from continuing operations	(27.5)		(20.8)		(41.8)	(5.5)
Loss from discontinued operations, net of tax	0		0		0	(3.2)
Adjustment to Income (Loss) from discontinued operations, net of tax [Abstract]
Gain on disposal of discontinued operations, net of tax	0		0		0	35.3
Earnings from discontinued operations, net of tax	0		0		0	32.1
Net earnings (loss) attributable to Quad/Graphics common shareholders	(27.2)		(20.8)		(41.2)	26.6
Net earnings (loss) attributable to Quad/Graphics common shareholders	$ (27.5)		$ (20.8)		$ (41.8)	$ 26.6
Denominator:
Basic weighted average number of common shares outstanding for all classes of common shares (shares)	46.9		46.8		46.9	46.8
Plus: effect of dilutive equity incentive instruments (shares)	0		0		0	0
Diluted weighted average number of common shares outstanding for all classes of common shares (shares)	46.9		46.8		46.9	46.8
Basic:
Continuing operations (dollars per share)	$ (0.59)		$ (0.44)		$ (0.89)	$ (0.12)
Discontinued operations (dollars per share)	$ 0.00		$ 0.00		$ 0.00	$ 0.69
Earnings (loss) per share attributable to Quad/Graphics common shareholders (dollars per share)	$ (0.59)		$ (0.44)		$ (0.89)	$ 0.57
Basic and diluted:
Continuing operations (dollars per share)	$ (0.59)		$ (0.44)		$ (0.89)	$ (0.12)
Discontinued operations (dollars per share)	$ 0.00		$ 0.00		$ 0.00	$ 0.69
Earnings (loss) per share attributable to Quad/Graphics common shareholders (dollars per share)	$ (0.59)		$ (0.44)		$ (0.89)	$ 0.57
Cash dividends paid per common share for all classes of common shares	$ 0.30	$ 0.30	$ 0.25	$ 0.25	$ 0.6	$ 0.5