Business Restructuring and Cost Reduction Actions (Carrying Amount of Accrual) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2014
Charge 2014 [Member]
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Sep. 30, 2013
Plan 2013 [Member]
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Sep. 30, 2014
Plan 2013 [Member]
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Sep. 30, 2013
Plan 2013 [Member]
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Sep. 30, 2014
Plan 2013 [Member]
Severance And Other Benefits [Member]
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Sep. 30, 2013
Plan 2013 [Member]
Severance And Other Benefits [Member]
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Sep. 30, 2014
Plan 2013 [Member]
Asset Actions [Member]
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Sep. 30, 2013
Plan 2013 [Member]
Asset Actions [Member]
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Sep. 30, 2014
Plan 2013 [Member]
Contract Actions [Member]
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Sep. 30, 2013
Plan 2013 [Member]
Contract Actions [Member]
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Sep. 30, 2014
Plan 2012 [Member]
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Sep. 30, 2013
Plan 2012 [Member]
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Sep. 30, 2012
Plan 2012 [Member]
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Mar. 31, 2012
Plan 2012 [Member]
Cost Reduction Plan [Member]
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Sep. 30, 2012
Plan 2012 [Member]
Photovoltaic Market Actions [Member]
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Sep. 30, 2012
Plan 2012 [Member]
Polyurethane Intermediates Business Actions [Member]
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Sep. 30, 2014
Plan 2012 [Member]
Severance And Other Benefits [Member]
|
Sep. 30, 2013
Plan 2012 [Member]
Severance And Other Benefits [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Severance And Other Benefits [Member]
|
Mar. 31, 2012
Plan 2012 [Member]
Severance And Other Benefits [Member]
Cost Reduction Plan [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Severance And Other Benefits [Member]
Photovoltaic Market Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Severance And Other Benefits [Member]
Polyurethane Intermediates Business Actions [Member]
|
Sep. 30, 2014
Plan 2012 [Member]
Asset Actions [Member]
|
Sep. 30, 2013
Plan 2012 [Member]
Asset Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Asset Actions [Member]
|
Mar. 31, 2012
Plan 2012 [Member]
Asset Actions [Member]
Cost Reduction Plan [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Asset Actions [Member]
Photovoltaic Market Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Asset Actions [Member]
Polyurethane Intermediates Business Actions [Member]
|
Sep. 30, 2014
Plan 2012 [Member]
Contract Actions [Member]
|
Sep. 30, 2013
Plan 2012 [Member]
Contract Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Contract Actions [Member]
|
Mar. 31, 2012
Plan 2012 [Member]
Contract Actions [Member]
Cost Reduction Plan [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Contract Actions [Member]
Photovoltaic Market Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Contract Actions [Member]
Polyurethane Intermediates Business Actions [Member]
|
Sep. 30, 2014
Plan 2012 [Member]
Other Costs [Member]
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Sep. 30, 2013
Plan 2012 [Member]
Other Costs [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Other Costs [Member]
|
Mar. 31, 2012
Plan 2012 [Member]
Other Costs [Member]
Cost Reduction Plan [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Other Costs [Member]
Photovoltaic Market Actions [Member]
|
Sep. 30, 2012
Plan 2012 [Member]
Other Costs [Member]
Polyurethane Intermediates Business Actions [Member]
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Restructuring Cost and Reserve [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Business restructuring and cost reduction actions | $ 12.7 | [1] | $ 0 | [1] | $ 0 | [1] | $ 0 | [1] | $ 231.6 | [1] | $ 0 | [1] | $ 0 | [1] | $ 0 | [1] | $ 12.7 | [1],[2] | $ 231.6 | [1],[2] | $ 327.4 | [1],[2] | $ 12.7 | $ 231.6 | $ 231.6 | $ 71.9 | $ 100.4 | $ 59.3 | $ 327.4 | $ 86.8 | $ 186.0 | [3] | $ 54.6 | [4] | $ 83.5 | $ 80.8 | $ 0 | $ 2.7 | $ 67.3 | $ 6.0 | $ 34.7 | $ 26.6 | [4] | $ 100.0 | $ 0 | $ 93.5 | $ 6.5 | $ 76.6 | $ 0 | $ 57.8 | [3] | $ 18.8 | ||||||||||||||||||||||||||
Amount reflected in environmental liability | (9.0) | [5] | 0 | 0 | 0 | (9.0) | [5] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Amount reflected in pension liability | (6.9) | (6.9) | 0 | 0 | (7.5) | (7.5) | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Noncash expenses | (100.4) | 0 | (100.4) | 0 | (87.0) | (0.4) | (67.3) | 0 | (19.3) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Cash expenditures | (52.5) | (61.5) | (51.7) | (3.0) | 0 | 0 | (0.8) | (58.5) | (3.9) | (185.8) | (32.9) | (1.1) | (40.4) | (32.8) | 0 | 0 | 0 | (1.9) | (98.1) | 0 | (0.9) | (47.3) | (0.1) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Currency translation adjustment | (0.6) | 0.4 | (0.6) | 0.4 | 0 | 0 | 0 | 0 | 0.3 | (1.6) | 0.3 | (1.6) | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Accrued Balance | $ 63.2 | $ 10.1 | $ 63.2 | $ 10.1 | $ 62.4 | $ 0 | $ 0 | $ 0 | $ 0.8 | $ 0 | $ 3.9 | $ 189.4 | $ 0 | $ 1.1 | $ 41.2 | $ 0 | $ 0 | $ 0 | $ 0 | $ 1.9 | $ 100.0 | $ 0 | $ 0.9 | $ 48.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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