Annual report pursuant to Section 13 and 15(d)

ACCUMULATED OTHER COMPREHENSIVE LOSS (Parenthetical)

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ACCUMULATED OTHER COMPREHENSIVE LOSS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Comprehensive Income [Abstract]      
Unrecognized actuarial losses and prior service cost, accumulated tax $ 0.4 $ 0.5 $ 0.2
Cash flow hedging transactions, tax $ 0.6 $ 0.7 $ 0.7