| Restructuring Details 2 (Details) (USD $) In Millions, unless otherwise specified | Sep. 30, 2014
 Termination benefits | Sep. 30, 2014
 Leases and other contractual obligations
 sqft | Sep. 30, 2014
 Minimum | Sep. 30, 2014
 Maximum | Mar. 31, 2015
 Forecast
 Leases and other contractual obligations | Mar. 31, 2015
 Forecast
 Minimum | Mar. 31, 2015
 Forecast
 Minimum
 Termination benefits | Mar. 31, 2015
 Forecast
 Maximum | Mar. 31, 2015
 Forecast
 Maximum
 Termination benefits | 
|---|---|---|---|---|---|---|---|---|---|
| Restructuring Cost and Reserve [Line Items] | |||||||||
| Expected restructuring charge | $ 2.7 | $ 4.7 | $ 5.2 | $ 0.5 | $ 0.4 | $ 0.7 | |||
| Area of closed facility (in sq ft) | 11,000 | ||||||||
| Percentage of company square footage being closed | 6.00% | ||||||||
| Expected legal and professional fees associated with restructuring plan to be incurred periodically | $ 1.5 | $ 2.0 | 
| X | ||||||||||
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- Definition Restructuring and Related Costs, Area of Closed Facility No definition available. 
 | 
| X | ||||||||||
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- Definition Restructuring and Related Costs, Expected Legal and Professional Fees Associated with Restructuring Plan No definition available. 
 | 
| X | ||||||||||
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- Definition Restructuring and Related Costs, Percentage of Company Square Footage Being Closed No definition available. 
 | 
| X | ||||||||||
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
 | 
| X | ||||||||||
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- Details 
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