Commitments and Contingencies - Contigent Consideration for Acquisitions (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Tradewire Acquisition [Member] [Member]	Jun. 30, 2013 Coffee Network Acquisition [Member]	Jun. 30, 2013 Hencorp Acquisition [Member]	Jun. 30, 2013 Hencorp Acquisition [Member]	Jun. 30, 2013 Hanley Group Acquisition [Member]	Jun. 30, 2013 Hanley Group Acquisition [Member]	Jul. 08, 2013 Hanley Group Acquisition [Member]	Jun. 30, 2013 RMI-RMC Acquistion [Member]	Jun. 30, 2013 Tradewire Acquisition [Member] [Member]	Jun. 30, 2013 Hencorp Acquisition [Member]	Jun. 30, 2013 Hanley Group Acquisition [Member]	Jun. 30, 2013 Coffee Network Acquisition [Member]
Business Acquisition, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 4.7	$ 1.8			$ 0.4	$ 0.6	$ 0.3	$ 0.7
Business Acquisition, Cost of Acquired Entity, Purchase Price											3.1	7.1	54.2	0.3
Business Acquisition, Contingent Consideration, at Fair Value			(3.1)	(0.1)	(2.8)	(2.8)	(10.0)	(10.0)		(3.1)
Business Acquisition, Contingent Consideration, Potential Cash Payment									$ 10.0
Contingent payments equal to a % of the forecasted adjusted earnings before interest and taxes								15.00%