Accumulated Other Comprehensive Loss (Reclassification) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 01, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||||||||||||
Other income (expense), net | $ (49.3) | $ (50.2) | $ (121.0) | ||||||||||||||||||||||
Interest expense | 137.0 | 130.5 | 120.6 | ||||||||||||||||||||||
Cost of sales | 5,975.5 | 6,189.5 | 5,751.5 | ||||||||||||||||||||||
Cost reduction and asset actions | $ 0.0 | $ 25.5 | $ 0.0 | $ 0.0 | 25.5 | 0.0 | 151.4 | ||||||||||||||||||
Gain on exchange of equity affiliate investments | $ (29.1) | 0.0 | (29.1) | 0.0 | 0.0 | (29.1) | 0.0 | 0.0 | |||||||||||||||||
Loss from discontinued operations, net of tax | 0.0 | 0.0 | 0.0 | 0.0 | $ 0.0 | $ (43.2) | $ 0.0 | $ 1.0 | 0.0 | (42.2) | (1,866.0) | ||||||||||||||
Net income (loss) attributable to Air Products | $ (503.2) | $ (488.0) | $ (421.3) | $ (347.5) | $ (452.9) | $ (473.9) | $ (416.4) | $ (154.6) | (1,760.0) | (1,497.8) | (3,000.4) | ||||||||||||||
Reclassification out of Accumulated Other Comprehensive Income | (Gain) Loss on Cash Flow Hedges | |||||||||||||||||||||||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||||||||||||
Sales/Cost of sales | 0.6 | 7.1 | 18.3 | ||||||||||||||||||||||
Other income (expense), net | (3.0) | (42.6) | 5.1 | ||||||||||||||||||||||
Interest expense | 14.7 | 5.1 | 0.8 | ||||||||||||||||||||||
Net income (loss) attributable to Air Products | 12.3 | (30.4) | 24.2 | ||||||||||||||||||||||
Reclassification out of Accumulated Other Comprehensive Income | Currency Translation Adjustment | |||||||||||||||||||||||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||||||||||||
Cost of sales | 0.0 | 3.1 | [1] | 0.0 | |||||||||||||||||||||
Cost reduction and asset actions | 0.0 | 0.0 | 8.2 | [2] | |||||||||||||||||||||
Gain on exchange of equity affiliate investments | (2.6) | [3] | 0.0 | 0.0 | |||||||||||||||||||||
Loss from discontinued operations, net of tax | 0.0 | 0.0 | 49.1 | [4] | |||||||||||||||||||||
Net income (loss) attributable to Air Products | (2.6) | 3.1 | 57.3 | ||||||||||||||||||||||
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Benefits | |||||||||||||||||||||||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||||||||||||
Net income (loss) attributable to Air Products | [5] | $ 63.2 | $ 133.1 | $ 110.7 | |||||||||||||||||||||
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