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Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 29, 2014
Assets:  
Assets measured at fair value on a recurring basis $ 34,603
Liabilities:  
Liabilities measured at fair value on a recurring basis 43,857
Equity Security [Member]
  
Assets:  
Assets measured at fair value on a recurring basis 15,859
Mutual Funds [Member]
  
Assets:  
Assets measured at fair value on a recurring basis 18,744
Deferred Compensation Liabilities [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis 40,464
Contingent Consideration [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis 3,393
Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
  
Assets:  
Assets measured at fair value on a recurring basis 34,603
Liabilities:  
Liabilities measured at fair value on a recurring basis 40,464
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Equity Security [Member]
  
Assets:  
Assets measured at fair value on a recurring basis 15,859
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Mutual Funds [Member]
  
Assets:  
Assets measured at fair value on a recurring basis 18,744
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Deferred Compensation Liabilities [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis 40,464
Significant Other Observable Inputs (Level 2) [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Liabilities:  
Liabilities measured at fair value on a recurring basis   
Significant Other Observable Inputs (Level 2) [Member] | Equity Security [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Significant Other Observable Inputs (Level 2) [Member] | Mutual Funds [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Significant Other Observable Inputs (Level 2) [Member] | Deferred Compensation Liabilities [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis   
Significant Other Observable Inputs (Level 2) [Member] | Contingent Consideration [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis   
Significant Unobservable Inputs (Level 3) [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Liabilities:  
Liabilities measured at fair value on a recurring basis 3,393
Significant Unobservable Inputs (Level 3) [Member] | Equity Security [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Significant Unobservable Inputs (Level 3) [Member] | Mutual Funds [Member]
  
Assets:  
Assets measured at fair value on a recurring basis   
Significant Unobservable Inputs (Level 3) [Member] | Deferred Compensation Liabilities [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis   
Significant Unobservable Inputs (Level 3) [Member] | Contingent Consideration [Member]
  
Liabilities:  
Liabilities measured at fair value on a recurring basis $ 3,393