Commitments and Contingencies (Details) (Homebuilding [Member], USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
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Jun. 30, 2012
|
|
Homebuilding [Member]
|
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Changes in warranty liability | ||||
Warranty liability, beginning of period | $ 57.3 | $ 48.9 | $ 56.8 | $ 46.2 |
Warranties issued | 7.2 | 4.8 | 18.8 | 13.1 |
Changes in liability for pre-existing warranties | 0.7 | 3.2 | 5.9 | 6.6 |
Settlements made | (8.0) | (8.1) | (24.3) | (17.1) |
Warranty liability, end of period | $ 57.2 | $ 48.8 | $ 57.2 | $ 48.8 |