XML 15 R4.htm IDEA: XBRL DOCUMENT v3.21.2
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2021
Sep. 27, 2020
Sep. 26, 2021
Sep. 27, 2020
Statement of Comprehensive Income [Abstract]        
Pension and post-retirement actuarial gains, tax $ 0.2 $ 0.1 $ 0.5 $ 0.3