Separate Financial Information of Subsidiary Guarantors of Indebtedness (Condensed Consolidating Statement of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Net sales	$ 1,056.4	$ 1,135.5	$ 3,131.2	$ 3,283.5
Cost of sales	824.9	909.9	2,449.4	2,643.0
Selling, general and administrative expenses	109.9	106.1	341.9	326.2
Depreciation and amortization	61.7	81.0	217.4	245.7
Restructuring, impairment and transaction-related charges	26.1	35.6	62.4	80.0
Goodwill impairment	0.0	775.0	0.0	798.3
Total operating expenses	1,022.6	1,907.6	3,071.1	4,093.2
Operating income (loss)	33.8	(772.1)	60.1	(809.7)
Interest expense	19.6	22.3	58.9	66.4
Gain on debt extinguishment	0.0	0.0	(14.1)	0.0
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	14.2	(794.4)	15.3	(876.1)
Income tax expense (benefit)	2.9	(244.9)	5.6	(249.7)
Earnings (loss) before equity in (earnings) loss of consolidated and unconsolidated entities	11.3	(549.5)	9.7	(626.4)
Equity in (earnings) loss of consolidated entities	0.0	0.0	0.0	0.0
Equity in (earnings) loss of unconsolidated entities	0.0	2.7	2.3	6.1
Net earnings (loss)	11.3	(552.2)	7.4	(632.5)
Eliminations [Member]
Income Statement [Abstract]
Net sales	(117.4)	(111.3)	(298.7)	(310.9)
Cost of sales	(117.4)	(111.3)	(298.7)	(310.9)
Selling, general and administrative expenses	0.0	0.0	0.0	0.0
Depreciation and amortization	0.0	0.0	0.0	0.0
Restructuring, impairment and transaction-related charges	0.0	0.0	0.0	0.0
Goodwill impairment		0.0		0.0
Total operating expenses	(117.4)	(111.3)	(298.7)	(310.9)
Operating income (loss)	0.0	0.0	0.0	0.0
Interest expense	0.0	0.0	0.0	0.0
Gain on debt extinguishment			0.0
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	0.0	0.0	0.0	0.0
Income tax expense (benefit)	0.0	0.0	0.0	0.0
Earnings (loss) before equity in (earnings) loss of consolidated and unconsolidated entities	0.0	0.0	0.0	0.0
Equity in (earnings) loss of consolidated entities	34.9	(539.1)	78.0	(585.1)
Equity in (earnings) loss of unconsolidated entities	0.0	0.0	0.0	0.0
Net earnings (loss)	(34.9)	539.1	(78.0)	585.1
Quad/Graphics, Inc. [Member]
Income Statement [Abstract]
Net sales	443.9	435.8	1,302.9	1,286.4
Cost of sales	336.1	339.1	960.0	985.3
Selling, general and administrative expenses	55.1	63.1	193.9	186.0
Depreciation and amortization	29.1	44.6	118.8	134.3
Restructuring, impairment and transaction-related charges	25.7	30.9	44.6	24.6
Goodwill impairment		0.0		0.0
Total operating expenses	446.0	477.7	1,317.3	1,330.2
Operating income (loss)	(2.1)	(41.9)	(14.4)	(43.8)
Interest expense	20.1	21.5	59.8	63.7
Gain on debt extinguishment			(14.1)
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	(22.2)	(63.4)	(60.1)	(107.5)
Income tax expense (benefit)	0.1	(26.9)	5.9	(34.5)
Earnings (loss) before equity in (earnings) loss of consolidated and unconsolidated entities	(22.3)	(36.5)	(66.0)	(73.0)
Equity in (earnings) loss of consolidated entities	(33.6)	515.7	(73.4)	559.5
Equity in (earnings) loss of unconsolidated entities	0.0	0.0	0.0	0.0
Net earnings (loss)	11.3	(552.2)	7.4	(632.5)
Guarantor Subsidiaries [Member]
Income Statement [Abstract]
Net sales	617.5	700.8	1,790.1	1,998.2
Cost of sales	515.4	595.1	1,518.7	1,713.1
Selling, general and administrative expenses	45.3	33.0	114.6	112.2
Depreciation and amortization	25.4	27.7	75.2	87.2
Restructuring, impairment and transaction-related charges	1.7	(9.3)	17.0	14.3
Goodwill impairment		751.3		751.3
Total operating expenses	587.8	1,397.8	1,725.5	2,678.1
Operating income (loss)	29.7	(697.0)	64.6	(679.9)
Interest expense	(1.4)	(0.5)	(3.8)	(1.2)
Gain on debt extinguishment			0.0
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	31.1	(696.5)	68.4	(678.7)
Income tax expense (benefit)	2.4	(219.2)	(0.9)	(218.8)
Earnings (loss) before equity in (earnings) loss of consolidated and unconsolidated entities	28.7	(477.3)	69.3	(459.9)
Equity in (earnings) loss of consolidated entities	(1.3)	23.4	(4.6)	25.6
Equity in (earnings) loss of unconsolidated entities	0.0	0.0	0.0	0.0
Net earnings (loss)	30.0	(500.7)	73.9	(485.5)
Non-Guarantor Subsidiaries [Member]
Income Statement [Abstract]
Net sales	112.4	110.2	336.9	309.8
Cost of sales	90.8	87.0	269.4	255.5
Selling, general and administrative expenses	9.5	10.0	33.4	28.0
Depreciation and amortization	7.2	8.7	23.4	24.2
Restructuring, impairment and transaction-related charges	(1.3)	14.0	0.8	41.1
Goodwill impairment		23.7		47.0
Total operating expenses	106.2	143.4	327.0	395.8
Operating income (loss)	6.2	(33.2)	9.9	(86.0)
Interest expense	0.9	1.3	2.9	3.9
Gain on debt extinguishment			0.0
Earnings (loss) before income taxes and equity in loss of unconsolidated entities	5.3	(34.5)	7.0	(89.9)
Income tax expense (benefit)	0.4	1.2	0.6	3.6
Earnings (loss) before equity in (earnings) loss of consolidated and unconsolidated entities	4.9	(35.7)	6.4	(93.5)
Equity in (earnings) loss of consolidated entities	0.0	0.0	0.0	0.0
Equity in (earnings) loss of unconsolidated entities	0.0	2.7	2.3	6.1
Net earnings (loss)	$ 4.9	$ (38.4)	$ 4.1	$ (99.6)