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Long-Term Debt and Financing Arrangements - Schedule of Aggregate Principal Payments (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Long Term Debt Maturities Repayments Of Principal [Line Items]  
2013 $ 873
2014 1,771
2015 1,806
2016 1,841
2017 1,877
2018 and thereafter 952
Total Notes $ 9,120