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REVENUE - Impact of ASU 2014-09 (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Income Statement |  |  |  |  |
Operating revenue | $ 876.9 | $ 856.7 | $ 1,742.6 | $ 1,689.0 |
Consolidated income from operations before income taxes | 169.4 | 242.6 | 292.6 | 438.3 |
Consolidated net income | 146.1 | 167.6 | 240.0 | 323.0 |
Net income attributable to Equifax | $ 144.8 | $ 165.4 | $ 235.8 | $ 318.7 |
Basic earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 1.20 | $ 1.37 | $ 1.96 | $ 2.65 |
Diluted earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 1.19 | $ 1.36 | $ 1.94 | $ 2.61 |
Change in % |  |  |  |  |
Operating revenue | 2.00% |  | 3.00% |  |
Balance Sheet |  |  |  |  |
Other current assets | $ 60.2 |  | $ 60.2 |  | $ 122.9
Other assets, net | 146.0 |  | 146.0 |  | 142.0
Total assets | 7,116.9 |  | 7,116.9 |  | 7,233.4
Deferred income tax liabilities, net | 293.2 |  | 293.2 |  | 305.1
Total liabilities | 3,837.2 |  | 3,837.2 |  | 3,994.4
Retained earnings | 4,748.3 |  | 4,748.3 |  | 4,600.6
Total equity | 3,279.7 |  | 3,279.7 |  | 3,239.0
Total liabilities and equity | $ 7,116.9 |  | $ 7,116.9 |  | $ 7,233.4
Accounting Standards Update 2014-09 |  |  |  |  |
Change in % |  |  |  |  |
Operating revenue | 0.00% |  | 0.00% |  |
Consolidated income from operations before income taxes | 0.00% |  | 0.00% |  |
Consolidated net income | 0.00% |  | 0.00% |  |
Net income attributable to Equifax | 0.00% |  | 0.00% |  |
Basic earnings per common share: |  |  |  |  |
Net income attributable to Equifax | 0.00% |  | 1.00% |  |
Diluted earnings per common share: |  |  |  |  |
Net income attributable to Equifax | 0.00% |  | 0.00% |  |
Change in % |  |  |  |  |
Other current assets |  |  | 0.00% |  |
Other assets, net |  |  | 4.00% |  |
Total assets |  |  | 0.00% |  |
Deferred income tax liabilities, net |  |  | 0.00% |  |
Total liabilities |  |  | 0.00% |  |
Retained earnings |  |  | 0.00% |  |
Total equity |  |  | 0.00% |  |
Total liabilities and equity |  |  | 0.00% |  |
Prior to ASU 2014-09 adoption |  |  |  |  |
Income Statement |  |  |  |  |
Operating revenue | $ 876.5 |  | $ 1,741.6 |  |
Consolidated income from operations before income taxes | 169.0 |  | 291.6 |  |
Consolidated net income | 145.8 |  | 239.3 |  |
Net income attributable to Equifax | $ 144.5 |  | $ 235.1 |  |
Basic earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 1.20 |  | $ 1.95 |  |
Diluted earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 1.19 |  | $ 1.94 |  |
Balance Sheet |  |  |  |  |
Other current assets | $ 60.0 |  | $ 60.0 |  |
Other assets, net | 139.8 |  | 139.8 |  |
Total assets | 7,110.5 |  | 7,110.5 |  |
Deferred income tax liabilities, net | 291.8 |  | 291.8 |  |
Total liabilities | 3,835.8 |  | 3,835.8 |  |
Retained earnings | 4,743.3 |  | 4,743.3 |  |
Total equity | 3,274.7 |  | 3,274.7 |  |
Total liabilities and equity | 7,110.5 |  | 7,110.5 |  |
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09 |  |  |  |  |
Income Statement |  |  |  |  |
Operating revenue | 0.4 |  | 1.0 |  |
Consolidated income from operations before income taxes | 0.4 |  | 1.0 |  |
Consolidated net income | 0.3 |  | 0.7 |  |
Net income attributable to Equifax | $ 0.3 |  | $ 0.7 |  |
Basic earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 0.00 |  | $ 0.01 |  |
Diluted earnings per common share: |  |  |  |  |
Net income attributable to Equifax (in dollars per share) | $ 0.00 |  | $ 0.00 |  |
Balance Sheet |  |  |  |  |
Other current assets | $ 0.2 |  | $ 0.2 |  |
Other assets, net | 6.2 |  | 6.2 |  |
Total assets | 6.4 |  | 6.4 |  |
Deferred income tax liabilities, net | 1.4 |  | 1.4 |  |
Total liabilities | 1.4 |  | 1.4 |  |
Retained earnings | 5.0 |  | 5.0 |  |
Total equity | 5.0 |  | 5.0 |  |
Total liabilities and equity | $ 6.4 |  | $ 6.4 |  |

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