Condensed Consolidated Statement of Changes in Shareholders' Equity Statement - USD ($) $ in Millions | Total | Common shares | Treasury shares | Additional paid-in capital | Retained earnings | Accumulated other comprehensive loss |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Treasury shares (in shares) | | | (10,900,000) | | | |
Common shares, issued (in shares) | | 65,200,000 | | | | |
Beginning shareholders' equity at Sep. 30, 2020 | $ 1,432.9 | $ 0.7 | $ (790.4) | $ 1,631.8 | $ 782.4 | $ (191.6) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 17.7 | | | | 17.7 | |
Foreign currency translation adjustments | 33.7 | | | | | 33.7 |
Pension and postretirement activity, net of tax | (2) | | | | | (2) |
Deferred gain (loss) on hedging activity, net of tax | (1.8) | | | | | (1.8) |
Dividends declared to common shareholders | (8.5) | | | | (8.5) | |
Treasury shares repurchased (in usd) | (9.2) | | $ (9.2) | | | |
Treasury shares repurchased (in shares) | | | (300,000) | | | |
Activity under share plans (shares) | | | 200,000 | | | |
Activity under share plans (in usd) | 2.4 | | $ 15.4 | | | |
APIC activity under share plans | | | | (13) | | |
Ending shareholders' equity at Dec. 31, 2020 | 1,465.2 | 0.7 | (784.2) | 1,618.8 | 791.6 | (161.7) |
Beginning shareholders' equity at Sep. 30, 2020 | 1,432.9 | 0.7 | (790.4) | 1,631.8 | 782.4 | (191.6) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 32.1 | | | | | |
Foreign currency translation adjustments | 13.9 | | | | | |
Pension and postretirement activity, net of tax | (0.6) | | | | | |
Deferred gain (loss) on hedging activity, net of tax | 3.3 | | | | | |
Ending shareholders' equity at Mar. 31, 2021 | 1,464.1 | $ 0.7 | $ (781.3) | 1,622 | 797.7 | (175) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Treasury shares (in shares) | | | (11,000,000) | | | |
Common shares, issued (in shares) | | 65,200,000 | | | | |
Beginning shareholders' equity at Dec. 31, 2020 | 1,465.2 | $ 0.7 | $ (784.2) | 1,618.8 | 791.6 | (161.7) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 14.4 | | | | 14.4 | |
Foreign currency translation adjustments | (19.8) | | | | | (19.8) |
Pension and postretirement activity, net of tax | 1.4 | | | | | 1.4 |
Deferred gain (loss) on hedging activity, net of tax | 5.1 | | | | | 5.1 |
Dividends declared to common shareholders | (8.3) | | | | (8.3) | |
Activity under share plans (shares) | | | 100,000 | | | |
Activity under share plans (in usd) | 6.1 | | $ 2.9 | | | |
APIC activity under share plans | | | | 3.2 | | |
Ending shareholders' equity at Mar. 31, 2021 | $ 1,464.1 | $ 0.7 | $ (781.3) | 1,622 | 797.7 | (175) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Treasury shares (in shares) | | | (10,900,000) | | | |
Common shares, issued (in shares) | | 65,200,000 | | | | |
Treasury shares (in shares) | 10,882,275 | | (10,900,000) | | | |
Common shares, issued (in shares) | 65,251,989 | 65,200,000 | | | | |
Beginning shareholders' equity at Sep. 30, 2021 | $ 1,584.3 | $ 0.7 | $ (776.3) | 1,631.1 | 865.7 | (136.9) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 11.2 | | | | (11.2) | |
Foreign currency translation adjustments | (6.9) | | | | | (6.9) |
Deferred gain (loss) on hedging activity, net of tax | 0.4 | | | | | 0.4 |
Dividends declared to common shareholders | (8.4) | | | | (8.4) | |
Treasury shares repurchased (in usd) | (24.5) | | $ (24.5) | | | |
Treasury shares repurchased (in shares) | | | (500,000) | | | |
Activity under share plans (shares) | | | 300,000 | | | |
Activity under share plans (in usd) | (3.8) | | $ 33.6 | | | |
APIC activity under share plans | | | | (37.4) | | |
Ending shareholders' equity at Dec. 31, 2021 | 1,552.3 | 0.7 | (767.2) | 1,593.7 | 868.5 | (143.4) |
Beginning shareholders' equity at Sep. 30, 2021 | 1,584.3 | 0.7 | (776.3) | 1,631.1 | 865.7 | (136.9) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 34.4 | | | | | |
Foreign currency translation adjustments | (15.9) | | | | | |
Pension and postretirement activity, net of tax | 0.1 | | | | | |
Deferred gain (loss) on hedging activity, net of tax | 1.4 | | | | | |
Treasury shares repurchased (in usd) | $ (75.4) | | | | | |
Treasury shares repurchased (in shares) | (1,900,000) | | | | | |
Ending shareholders' equity at Mar. 31, 2022 | $ 1,515.5 | $ 0.7 | $ (814.6) | 1,597.2 | 883.5 | (151.3) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Treasury shares (in shares) | | | (11,100,000) | | | |
Common shares, issued (in shares) | | 65,200,000 | | | | |
Beginning shareholders' equity at Dec. 31, 2021 | 1,552.3 | $ 0.7 | $ (767.2) | 1,593.7 | 868.5 | (143.4) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net earnings | 23.2 | | | | 23.2 | |
Foreign currency translation adjustments | (9) | | | | | (9) |
Pension and postretirement activity, net of tax | 0.1 | | | | | 0.1 |
Deferred gain (loss) on hedging activity, net of tax | 1 | | | | | 1 |
Dividends declared to common shareholders | (8.2) | | | | (8.2) | |
Treasury shares repurchased (in usd) | (50.9) | | $ (50.9) | | | |
Treasury shares repurchased (in shares) | | | (1,400,000) | | | |
Activity under share plans (shares) | | | 100,000 | | | |
Activity under share plans (in usd) | 7 | | $ 3.5 | | | |
APIC activity under share plans | | | | 3.5 | | |
Ending shareholders' equity at Mar. 31, 2022 | $ 1,515.5 | $ 0.7 | $ (814.6) | $ 1,597.2 | $ 883.5 | $ (151.3) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Treasury shares (in shares) | 12,356,939 | | (12,400,000) | | | |
Common shares, issued (in shares) | | 65,200,000 | | | | |