v2.4.0.6
Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Assets:  
Assets measured at fair value on a recurring basis $ 15,476
Liabilities:  
Liabilities measured at fair value on a recurring basis 40,638
Money market funds [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 315
Equity securities [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 8,159
Mutual funds [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 7,002
Deferred compensation liabilities [Member]
 
Liabilities:  
Liabilities measured at fair value on a recurring basis 37,011
Contingent consideration [Member]
 
Liabilities:  
Liabilities measured at fair value on a recurring basis 3,627
Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 15,476
Liabilities:  
Liabilities measured at fair value on a recurring basis 37,011
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Money market funds [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 315
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Equity securities [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 8,159
Quoted Prices in Active Market for Identical Assets (Level 1) [Member] | Mutual funds [Member]
 
Assets:  
Assets measured at fair value on a recurring basis 7,002
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 37,011
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] | Money market funds [Member]
 
Assets:  
Assets measured at fair value on a recurring basis   
Significant Other Observable Inputs (Level 2) [Member] | Equity securities [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]
 
Liabilities:  
Liabilities measured at fair value on a recurring basis 3,627
Significant Unobservable Inputs (Level 3) [Member] | Contingent consideration [Member]
 
Liabilities:  
Liabilities measured at fair value on a recurring basis $ 3,627