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Intangible Assets Including Goodwill - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2014
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]      
Impairment charge $ 25.0 [1]    
Amortization expense   1.7 0.4
2014 2.7 2.7  
2015 4.3 4.3  
2016 3.3 3.3  
2017 2.7 2.7  
2018 2.6 2.6  
Customer Relationships [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived Intangible Assets, Fair Value Disclosure 23.5 23.5  
Other Intangible Assets [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   4 years  
Finite-lived Intangible Assets, Fair Value Disclosure $ 0.5 $ 0.5  
Minimum [Member] | Intellectual Property [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   6 years 6 years
Minimum [Member] | Customer Relationships [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   1 year 1 year
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   1 year 6 months  
Minimum [Member] | Noncompete Agreements [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   3 years 3 years
Maximum [Member] | Intellectual Property [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   15 years 15 years
Maximum [Member] | Customer Relationships [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   15 years 15 years
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   15 years  
Maximum [Member] | Noncompete Agreements [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   5 years 5 years
Trade Names [Member]
      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life   5 years 5 years
[1] A $25.0 million impairment charge was recorded in February 2005 as a result of the Company’s operating performance in fiscal 2005.