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Leases - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Dec. 31, 2018
Lessee, Lease, Description [Line Items]        
Operating lease right-of-use assets $ 60.4 $ 0.0    
Operating lease current liabilities 20.1 0.0    
Operating lease noncurrent liabilities $ 43.3 0.0    
Lease expense   $ 31.4 $ 31.3  
Accounting Standards Update 2016-02        
Lessee, Lease, Description [Line Items]        
Operating lease right-of-use assets       $ 74.1
Operating lease current liabilities       19.8
Operating lease noncurrent liabilities       $ 54.3
Minimum        
Lessee, Lease, Description [Line Items]        
Leases, remaining lease term (years) 1 year      
Maximum        
Lessee, Lease, Description [Line Items]        
Leases, remaining lease term (years) 10 years