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Commitments and Contingencies - Long-Term Debt and PO Commitments (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2012
Nov. 30, 2012
Commitments and Contingencies Disclosure [Abstract]      
Long-term Line of Credit     $ 15.0
Term Loan Debt     20.0
Term Loan Advances Aggregate Amount     7.0
Debt Instrument, Unused Borrowing Capacity, Amount     $ 13.0
Debt Instrument Basis Spread On Treasury Variable Rate     6.94%
Long-term Debt, Fiscal Year Maturity [Abstract]      
2015 $ 1.7    
Purchase commitments with vendors total $ 58.4    
Purchase commitments with vendors total maximum term, in years 1 year    
Debt Issuance Cost (Deprecated 2016-01-31)   $ 1.1