Commitments and Contingencies (Pace) (Narrative) (Details) (Pace, Florida [Member], USD $) In Millions, unless otherwise specified	12 Months Ended	9 Months Ended
	Sep. 30, 2006 Discontinued Operations [Member]	Jun. 30, 2011	Sep. 30, 2006
Accrual for environmental loss contingencies		$ 35.5	$ 42.0
Accruals for environmental loss contingencies, maximum payout period, years		20
Environmental loss contingencies estimated costs through completion, minimum		42.0
Pretax expense recognized as a component of income from discontinued operations	42.0
Environmental loss contingencies estimated costs through completion, maximum		$ 52.0