Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2012
Commitments and Contingencies Disclosure [Line Items]        
Operating and capital leases with terms generally ranging 10 to 25 years      
Liability for deferred lease expenses $ 43,552     $ 38,297
Employment agreements term extension 1 year 1 year 1 year  
Contribution payments (for plan year 2011 \ 2012) 2,483     2,410
Liability recorded of approximately $ 2,753