Segment Information (Details 3) (USD $)	3 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Mar. 31, 2013 CDS item	Jun. 30, 2013 CDS	Mar. 31, 2013 CDS	Mar. 31, 2013 CDS Employee Separation Expenses	Jun. 30, 2013 CDS Employee Separation Expenses
Restructuring plan
Reduction in global employee headcount			150
Restructuring liability
Accrued costs	$ 114,000	$ 6,198,000		$ 100,000	$ 6,100,000	$ 6,100,000	$ 100,000
Cash payments						(500,000)	(4,600,000)
Liability at the end of the period						$ 5,600,000	$ 1,100,000