XML 102 R92.htm IDEA: XBRL DOCUMENT v3.19.1
Fair Values of Financial Instruments - Deferred Compensation Plan Commodity Hedging Agreements and Acquisition Related Contingent Consideration (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 30, 2018
Apr. 01, 2018
Dec. 31, 2017
Assets:        
Commodity hedging agreements $ 265      
Liabilities:        
Commodity hedging agreements 3,950 $ 10,305    
Fair Value Level 1 [Member]        
Assets:        
Deferred compensation plan assets 36,755 33,160    
Liabilities:        
Deferred compensation plan liabilities 36,755 33,160    
Fair Value Level 2 [Member]        
Liabilities:        
Nonpublic variable rate debt 406,500 372,500    
Nonpublic fixed rate debt 265,200 261,200    
Public debt securities 464,700 455,400    
Fair Value Level 2 [Member] | Commodity Contract [Member]        
Assets:        
Commodity hedging agreements 265      
Liabilities:        
Commodity hedging agreements 3,950 10,305    
Fair Value Level 3 [Member]        
Liabilities:        
Acquisition related contingent consideration 393,007 382,898 $ 368,804 $ 381,291
Carrying Amount [Member]        
Assets:        
Deferred compensation plan assets 36,755 33,160    
Liabilities:        
Deferred compensation plan liabilities 36,755 33,160    
Nonpublic variable rate debt 406,119 372,074    
Nonpublic fixed rate debt 274,701 274,717    
Public debt securities 457,680 457,612    
Acquisition related contingent consideration 393,007 382,898    
Carrying Amount [Member] | Commodity Contract [Member]        
Assets:        
Commodity hedging agreements 265      
Liabilities:        
Commodity hedging agreements 3,950 10,305    
Total Fair Value [Member]        
Assets:        
Deferred compensation plan assets 36,755 33,160    
Liabilities:        
Deferred compensation plan liabilities 36,755 33,160    
Nonpublic variable rate debt 406,500 372,500    
Nonpublic fixed rate debt 265,200 261,200    
Public debt securities 464,700 455,400    
Acquisition related contingent consideration 393,007 382,898    
Total Fair Value [Member] | Commodity Contract [Member]        
Assets:        
Commodity hedging agreements 265      
Liabilities:        
Commodity hedging agreements $ 3,950 $ 10,305