Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net sales
Products	$ 1,068.3	$ 1,055.3	$ 2,968.2	$ 3,005.9
Services	168.1	150.7	470.0	440.4
Total net sales	1,236.4	1,206.0	3,438.2	3,446.3
Cost of sales
Products	864.2	843.8	2,430.1	2,432.1
Services	113.2	106.4	332.8	321.7
Total cost of sales	977.4	950.2	2,762.9	2,753.8
Operating Expenses [Abstract]
Selling, general and administrative expenses	107.0	101.6	310.9	312.6
Depreciation and amortization	84.3	82.0	253.4	258.7
Restructuring, impairment and transaction-related charges	14.1	27.8	45.9	82.9
Total operating expenses	1,182.8	1,161.6	3,373.1	3,408.0
Operating income	53.6	44.4	65.1	38.3
Interest expense	25.1	20.9	69.5	64.1
Loss on debt extinguishment	0	0	6.0	0
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	28.5	23.5	(10.4)	(25.8)
Income tax expense (benefit)	3.1	10.4	(7.7)	1.3
Earnings (loss) before equity in loss of unconsolidated entities	25.4	13.1	(2.7)	(27.1)
Equity in loss of unconsolidated entities	(1.0)	(0.5)	(4.8)	(2.0)
Net earnings (loss)	24.4	12.6	(7.5)	(29.1)
Net loss attributable to noncontrolling interests	0	0.4	0.3	0.9
Net earnings (loss) attributable to Quad/Graphics common shareholders	$ 24.4	$ 13.0	$ (7.2)	$ (28.2)
Earnings (loss) per share attributable to Quad/Graphics common shareholders:
Basic (in usd per share)	$ 0.51	$ 0.27	$ (0.16)	$ (0.62)
Diluted (in usd per share)	$ 0.50	$ 0.26	$ (0.16)	$ (0.62)
Dividends declared per share (in usd per share)	$ 0.3	$ 0.3	$ 0.9	$ 0.9
Weighted average number of common shares outstanding:
Basic (in shares)	47.5	47.0	47.4	46.9
Diluted (in shares)	48.6	48.1	47.4	46.9