Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.21.2
Debt (Details) - USD ($)
 6 Months Ended
Mar. 04, 2019
Jul. 03, 2021
Jun. 23, 2021
Dec. 31, 2020
Jun. 27, 2020
Debt Instrument [Line Items]          
Net Proceeds from Issuances of Long-Term Debt   $ 1,900,000      
Other Debt Activity   (400,000)      
Long-term Debt, Current Maturities   43,500,000   $ 43,100,000  
Line of Credit Facility, Maximum Borrowing Capacity   400,000,000.0      
Debt   832,000,000.0   908,300,000 $ 1,060,400,000
Debt, Long-term and Short-term, Combined Amount   875,500,000   $ 951,400,000  
Proceeds from Issuance of Long-term Debt, Excluding Current Maturities   1,000,000.0      
Proceeds from Issuance of Long-term Debt, Current   900,000      
Repayments of Long-term debt, Current   (100,000)      
Repayments of Long-term Debt, Excluding Current Maturities   (78,400,000)      
us-gaap_RepaymentsOfLongTermDebt   (78,500,000)      
Other Debt Activity, Long Term   1,100,000      
Other Debt Activity, Current and Long Term   700,000      
Proceeds from (Repayments of) Commercial Paper   (100,000,000.0)      
Proceeds from Issuance of Commercial Paper   0      
Bridge Loan     $ 900,000,000.0    
Line of Credit [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Increase (Decrease), Other, Net   100,000,000.0      
Line of Credit Facility, Remaining Borrowing Capacity   397,200,000      
Letters of Credit Outstanding, Amount   $ 2,800,000      
Unsecured Debt [Member] | Senior Notes Due 2049 [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Maturity Date Apr. 15, 2049