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Condensed Consolidated Guarantor Financial Information - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Jun. 26, 2011
6.875% Senior Subordinated Notes Due 2019
Condensed Financial Statements, Captions [Line Items]    
Senior subordinated notes   $ 250
Interest rate   6.875%
Ownership percentage of subsidiaries 100.00%