SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) (Details 17) (USD $) In Millions, unless otherwise specified	12 Months Ended		3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 NEK, NextBus, AIS and PSMC Interim Financial Information	Jun. 30, 2013 NEK, NextBus, AIS and PSMC Interim Financial Information	Mar. 31, 2013 NEK, NextBus, AIS and PSMC Interim Financial Information	Dec. 31, 2012 NEK, NextBus, AIS and PSMC Interim Financial Information	Sep. 30, 2012 NEK, NextBus, AIS and PSMC Interim Financial Information	Jun. 30, 2012 NEK, NextBus, AIS and PSMC Interim Financial Information	Mar. 31, 2012 NEK, NextBus, AIS and PSMC Interim Financial Information	Dec. 31, 2011 NEK, NextBus, AIS and PSMC Interim Financial Information
Acquisitions
Net sales	$ 1,385.3	$ 1,468.0	$ 340.8	$ 340.8	$ 372.5	$ 331.2	$ 386.3	$ 387.8	$ 358.6	$ 335.3
Net income (loss) after taxes	$ 26.2	$ 99.2	$ (37.2)	$ 18.5	$ 29.5	$ 15.4	$ 22.8	$ 27.9	$ 26.0	$ 22.5