Accumulated Other Comprehensive Loss (Tables)	12 Months Ended
	Dec. 31, 2021
Accumulated Other Comprehensive Loss [Abstract]
Components of Accumulated Other Comprehensive Income (Loss)	2021 2020Currency translation$ (5.0) $ (5.1)Pension liability (166.1) (227.9)Postretirement benefits liability (9.4) (13.7)Accumulated other comprehensive loss$ (180.5) $ (246.7)
Reclassification Out Of Accumulated Other Comprehensive Income (Loss)	The following table represents the total amounts of actuarial losses recognized that were reclassified from accumulated other comprehensive loss for the years ended December 31, 2021 and 2020: 2021 2020 Amortization of Pension‎and Other‎Postretirement Benefits Items Amortization of Pension‎and Other‎Postretirement Benefits Items Actuarial Losses‎Recognized Actuarial Losses‎RecognizedAffected Line in Consolidated‎Statement of Income: Non-operating expenses(A) $ 63.5 $ 58.6Tax benefit (16.3) (15.1)Total reclassifications for the period, net of tax $ 47.2 $ 43.5 (A) Includes a pension settlement charge of $30.4 million and $27.7 million in 2021 and 2020, respectively.
Changes In Accumlated Other Comprehensive Income (Loss)	2021 2020 Foreign‎Currency Pension and‎Other‎Postretirement‎Benefits Total Foreign‎Currency Pension and‎Other‎Postretirement‎Benefits TotalBeginning balance January 1,$ (5.1) $ (241.6) $ (246.7) $ (7.7) $ (242.9) $ (250.6)Other comprehensive income before reclassifications 0.1 — 0.1 2.6 — 2.6Amounts reclassified from accumulated other comprehensive loss (net of tax $(16.3) and $(15.1)) — 47.2 47.2 — 43.5 43.5Actuarial gain (loss), (net of tax $(6.6) and $14.6) — 18.9 18.9 — (42.2) (42.2)Net current-period other comprehensive income 0.1 66.1 66.2 2.6 1.3 3.9Ending balance December 31,$ (5.0) $ (175.5) $ (180.5) $ (5.1) $ (241.6) $ (246.7)