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Debt and Financing Arrangements (2010 Notes) - Additional Information (Detail) - 2010 Convertible Senior Subordinated Notes [Member] - USD ($)
1 Months Ended 3 Months Ended
Oct. 01, 2015
Oct. 30, 2015
Mar. 31, 2016
Debt Instrument [Line Items]      
Interest rate on Notes     4.875%
Conversion rate per $ 1,000 principal of convertible notes $ 1,000    
Conversion value of Notes   $ 71,800,000  
Maturity date of notes     Oct. 01, 2015