Condensed Consolidated Statements of Shareholders' Equity and Noncontrolling Interests - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Common StockCumulative Effect, Period Of Adoption, Adjusted Balance | Additional Paid-in Capital | Additional Paid-in CapitalCumulative Effect, Period Of Adoption, Adjusted Balance | Treasury Stock | Treasury StockCumulative Effect, Period Of Adoption, Adjusted Balance | Accumulated Deficit | Accumulated DeficitCumulative Effect, Period Of Adoption, Adjustment | Accumulated DeficitCumulative Effect, Period Of Adoption, Adjusted Balance | Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive LossCumulative Effect, Period Of Adoption, Adjusted Balance | Quad’s Shareholders’ Equity | Quad’s Shareholders’ EquityCumulative Effect, Period Of Adoption, Adjustment | Quad’s Shareholders’ EquityCumulative Effect, Period Of Adoption, Adjusted Balance | Noncontrolling Interests | Noncontrolling InterestsCumulative Effect, Period Of Adoption, Adjusted Balance |
Beginning balance, shares at Dec. 31, 2018 | | 54.3 | | | | (2.7) | | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Dec. 31, 2018 | | $ 1.4 | | $ 861.3 | | $ (56.6) | | $ (211.4) | | | $ (152.2) | | $ 442.5 | | | | |
Beginning balance, noncontrolling interests at Dec. 31, 2018 | | | | | | | | | | | | | | | | $ 17.7 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | | | | | | | | (22.5) | | | | | (22.5) | | | | |
Less: net earnings (loss) attributable to noncontrolling interests | | | | | | | | | | | | | | | | 0.3 | |
Foreign currency translation adjustments | | | | | | | | | | | (0.3) | | (0.3) | | | | |
Interest rate swap adjustments, net of tax | | | | | | | | | | | (2.8) | | (2.8) | | | | |
Cash dividends declared | | | | | | | | (16) | | | | | (16) | | | | |
Stock-based compensation | | | | 5 | | | | | | | | | 5 | | | | |
Issuance of share-based awards, net of other activity, shares | | | | | | 1.7 | | | | | | | | | | | |
Issuance of share-based awards, net of other activity | | | | 30.1 | | $ (33.3) | | | | | | | (3.2) | | | | |
Awards redeemed to pay employees' tax obligations, shares | | | | | | (0.5) | | | | | | | | | | | |
Awards redeemed to pay employees’ tax obligations | | | | | | $ (6.6) | | | | | | | (6.6) | | | | |
Ending balance, shares at Mar. 31, 2019 | | 54.3 | | | | (1.5) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Mar. 31, 2019 | | $ 1.4 | | 836.2 | | $ (29.9) | | (249.9) | | | (155.3) | | 402.5 | | | | |
Ending balance, noncontrolling interests at Mar. 31, 2019 | | | | | | | | | | | | | | | | 17.4 | |
Beginning balance, shares at Dec. 31, 2018 | | 54.3 | | | | (2.7) | | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Dec. 31, 2018 | | $ 1.4 | | 861.3 | | $ (56.6) | | (211.4) | | | (152.2) | | 442.5 | | | | |
Beginning balance, noncontrolling interests at Dec. 31, 2018 | | | | | | | | | | | | | | | | 17.7 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | $ (37.3) | | | | | | | | | | | | | | | | |
Less: net earnings (loss) attributable to noncontrolling interests | (0.2) | | | | | | | | | | | | | | | | |
Ending balance, shares at Jun. 30, 2019 | | 54.3 | | | | (1.5) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Jun. 30, 2019 | | $ 1.4 | | 839.6 | | $ (30) | | (280.7) | | | (158.3) | | 372 | | | | |
Ending balance, noncontrolling interests at Jun. 30, 2019 | | | | | | | | | | | | | | | | 17.5 | |
Beginning balance, shares at Mar. 31, 2019 | | 54.3 | | | | (1.5) | | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Mar. 31, 2019 | | $ 1.4 | | 836.2 | | $ (29.9) | | (249.9) | | | (155.3) | | 402.5 | | | | |
Beginning balance, noncontrolling interests at Mar. 31, 2019 | | | | | | | | | | | | | | | | 17.4 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | (14.8) | | | | | | | (14.8) | | | | | (14.8) | | | | |
Less: net earnings (loss) attributable to noncontrolling interests | 0.1 | | | | | | | | | | | | | | | (0.1) | |
Foreign currency translation adjustments | | | | | | | | | | | 2.1 | | 2.1 | | | | |
Interest rate swap adjustments, net of tax | | | | | | | | | | | (5.1) | | (5.1) | | | | |
Cash dividends declared | | | | | | | | (16) | | | | | (16) | | | | |
Stock-based compensation | | | | 3.3 | | | | | | | | | 3.3 | | | | |
Issuance of share-based awards, net of other activity | | | | (0.1) | | $ 0.1 | | | | | | | 0 | | | | |
Ending balance, shares at Jun. 30, 2019 | | 54.3 | | | | (1.5) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Jun. 30, 2019 | | $ 1.4 | | 839.6 | | $ (30) | | (280.7) | | | (158.3) | | 372 | | | | |
Ending balance, noncontrolling interests at Jun. 30, 2019 | | | | | | | | | | | | | | | | 17.5 | |
Beginning balance, shares at Dec. 31, 2019 | | 54.3 | 54.3 | | | (1.6) | (1.6) | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Dec. 31, 2019 | 226.6 | $ 1.4 | $ 1.4 | 847.4 | $ 847.4 | $ (31.5) | $ (31.5) | (423.5) | $ (6.3) | $ (429.8) | (167.2) | $ (167.2) | 226.6 | $ (6.3) | $ 220.3 | | |
Beginning balance, noncontrolling interests at Dec. 31, 2019 | 17.7 | | | | | | | | | | | | | | | 17.7 | $ 17.7 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | | | | | | | | (12.4) | | | | | (12.4) | | | | |
Change in ownership of noncontrolling interests | | | | | | | | | | | | | | | | (0.1) | |
Foreign currency translation adjustments | | | | | | | | | | | (15.3) | | (15.3) | | | | |
Interest rate swap adjustments, net of tax | | | | | | | | | | | (8.3) | | (8.3) | | | | |
Cash dividends declared | | | | | | | | (7.9) | | | | | (7.9) | | | | |
Stock-based compensation | | | | 3.1 | | | | | | | | | 3.1 | | | | |
Issuance of share-based awards, net of other activity, shares | | 0.1 | | | | 1.1 | | | | | | | | | | | |
Issuance of share-based awards, net of other activity | | | | 19.8 | | $ (19.8) | | | | | | | 0 | | | | |
Awards redeemed to pay employees' tax obligations, shares | | | | | | (0.2) | | | | | | | | | | | |
Awards redeemed to pay employees’ tax obligations | | | | | | $ (1) | | | | | | | (1) | | | | |
Ending balance, shares at Mar. 31, 2020 | | 54.4 | | | | (0.7) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Mar. 31, 2020 | | $ 1.4 | | 830.7 | | $ (12.7) | | (450.1) | | | (190.8) | | 178.5 | | | | |
Ending balance, noncontrolling interests at Mar. 31, 2020 | | | | | | | | | | | | | | | | 17.8 | |
Beginning balance, shares at Dec. 31, 2019 | | 54.3 | 54.3 | | | (1.6) | (1.6) | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Dec. 31, 2019 | 226.6 | $ 1.4 | $ 1.4 | 847.4 | $ 847.4 | $ (31.5) | $ (31.5) | (423.5) | $ (6.3) | $ (429.8) | (167.2) | $ (167.2) | 226.6 | $ (6.3) | $ 220.3 | | |
Beginning balance, noncontrolling interests at Dec. 31, 2019 | 17.7 | | | | | | | | | | | | | | | 17.7 | $ 17.7 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | (35.9) | | | | | | | | | | | | | | | | |
Less: net earnings (loss) attributable to noncontrolling interests | (0.2) | | | | | | | | | | | | | | | | |
Ending balance, shares at Jun. 30, 2020 | | 54.4 | | | | (0.7) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Jun. 30, 2020 | 154.2 | $ 1.4 | | 828 | | $ (12.9) | | (473.6) | | | (188.7) | | 154.2 | | | | |
Ending balance, noncontrolling interests at Jun. 30, 2020 | 0.7 | | | | | | | | | | | | | | | 0.7 | |
Beginning balance, shares at Mar. 31, 2020 | | 54.4 | | | | (0.7) | | | | | | | | | | | |
Beginning balance, Quad's shareholders equity at Mar. 31, 2020 | | $ 1.4 | | 830.7 | | $ (12.7) | | (450.1) | | | (190.8) | | 178.5 | | | | |
Beginning balance, noncontrolling interests at Mar. 31, 2020 | | | | | | | | | | | | | | | | 17.8 | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Net earnings (loss) attributable to Quad common shareholders | (23.5) | | | | | | | (23.5) | | | | | (23.5) | | | | |
Less: net earnings (loss) attributable to noncontrolling interests | (0.2) | | | | | | | | | | | | | | | 0.2 | |
Change in ownership of noncontrolling interests | (5.4) | | | (5.4) | | | | | | | | | | | | (16.9) | |
Foreign currency translation adjustments | | | | | | | | | | | 2.1 | | 2.1 | | | | |
Stock-based compensation | | | | 2.7 | | | | | | | | | 2.7 | | | | |
Issuance of share-based awards, net of other activity | | | | 0 | | $ 0.2 | | | | | | | 0.2 | | | | |
Ending balance, shares at Jun. 30, 2020 | | 54.4 | | | | (0.7) | | | | | | | | | | | |
Ending balance, Quad's shareholders' equity at Jun. 30, 2020 | 154.2 | $ 1.4 | | $ 828 | | $ (12.9) | | $ (473.6) | | | $ (188.7) | | $ 154.2 | | | | |
Ending balance, noncontrolling interests at Jun. 30, 2020 | $ 0.7 | | | | | | | | | | | | | | | $ 0.7 | |