XML 102 R81.htm IDEA: XBRL DOCUMENT v3.19.3
Employee Pension and Profit Sharing Plans - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 27, 2019
Sep. 28, 2018
Sep. 29, 2017
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation $ 398.8 $ 364.0  
Settlement gains recognized in other comprehensive loss, before tax 0.1 3.9  
Actuarial losses recognized in other comprehensive loss, before tax 32.9 22.2  
Amortization of actuarial gains (losses) recognized as net periodic pension cost 1.2 1.6  
Net actuarial gain (loss) included in accumulated other comprehensive income (loss) to be recognized in next fiscal year 1.8    
Expected future employer contributions during fiscal year 2017 $ 4.1    
Equity Funds, Domestic      
Defined Benefit Plan Disclosure [Line Items]      
Actual plan asset allocations 35.00%    
Equity Funds, International      
Defined Benefit Plan Disclosure [Line Items]      
Actual plan asset allocations 65.00%    
United States      
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution cost recognized $ 41.5 22.5 $ 27.5
Foreign Plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined contribution cost recognized $ 11.7 $ 8.6 $ 6.9
Minimum | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 0.00%    
Minimum | Debt Securities      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 70.00%    
Minimum | Real Estate and Cash and Cash Equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 0.00%    
Maximum | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 20.00%    
Maximum | Debt Securities      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 100.00%    
Maximum | Real Estate and Cash and Cash Equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Minimum target plan asset allocations 10.00%