Accumulated Other Comprehensive Loss (Tables)
 6 Months Ended
Mar. 31, 2015
Accumulated Other Comprehensive Loss Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
The table below summarizes changes in accumulated other comprehensive loss (AOCL), net of tax, attributable to Air Products for the three and six months ended 31 March 2015:
Net loss on derivatives qualifying as hedgesForeign currency translation adjustmentsPension and postretirement benefitsTotal
Balance at 31 December 2014$(38.9)$(507.9)$(923.8)$(1,470.6)
Other comprehensive loss before reclassifications(.4)(232.1)(4.6)(237.1)
Amounts reclassified from AOCL 17.6 - 28.6 46.2
Net current period other comprehensive income (loss)$ 17.2 $(232.1)$ 24.0 $(190.9)
Amount attributable to noncontrolling interest - .6 - .6
Balance at 31 March 2015$(21.7)$(740.6)$(899.8)$(1,662.1)
Net loss on derivatives qualifying as hedgesForeign currency translation adjustmentsPension and postretirement benefitsTotal
Balance at 30 September 2014$(28.5)$(268.7)$(944.7)$(1,241.9)
Other comprehensive loss before reclassifications(24.2)(476.5)(4.6)(505.3)
Amounts reclassified from AOCL 31.1 - 49.5 80.6
Net current period other comprehensive income (loss)$ 6.9 $(476.5)$ 44.9 $(424.7)
Amount attributable to noncontrolling interest .1 (4.6) - (4.5)
Balance at 31 March 2015$(21.7)$(740.6)$(899.8)$(1,662.1)
Schedule Of Reclassification Out Of Accumulated Other Comprehensive Income [Table Text Block]
The table below summarizes the reclassifications out of accumulated other comprehensive loss and the affected line item on the consolidated income statements:
Three Months EndedSix Months Ended
31 March31 March
2015201420152014
(Gain) Loss on Cash Flow Hedges, net of tax
Sales/Cost of sales$ .9 $ .8 $ .3 $ 1.0
Other income (expense), net 16.0 (11.1) 30.1 (23.0)
Interest expense .7 (.5) .7 (.7)
Total (Gain) Loss on Cash Flow Hedges, net of tax$ 17.6 $ (10.8)$ 31.1 $ (22.7)
Pension and Postretirement Benefits, net of tax(A)$ 28.6 $ 20.6 $ 49.5 $ 40.6
(A)The components include items such as prior service cost amortization, actuarial loss amortization, and settlements and are reflected
in net periodic benefit cost. Refer to Note 10, Retirement Benefits.