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Consolidated Statement of Stockholders' Equity - USD ($) shares in Millions, $ in Millions | Total | As Previously Reported [Member] | Common Stock [Member] | Common Stock [Member] As Previously Reported [Member] | Capital in Excess of Par Value [Member] | Capital in Excess of Par Value [Member] As Previously Reported [Member] | Retained Earnings [Member] | Retained Earnings [Member] As Previously Reported [Member] | Accumulated Other Comprehensive Loss [Member] | Accumulated Other Comprehensive Loss [Member] As Previously Reported [Member] | Noncontrolling Interests [Member] | Noncontrolling Interests [Member] As Previously Reported [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 |  | $ 4,164.9 |  | $ 181.0 |  | $ 3,388.2 |  | $ 1,095.9 |  | $ (559.9) |  | $ 59.7
Beginning Balance (in shares) at Dec. 31, 2017 |  |  | 181.0 | 181.0 |  |  |  |  |  |  |  |
Adoption of Topic 606 (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2017 | $ 134.8 |  |  |  |  |  | $ 125.9 |  | $ 4.5 |  | $ 4.4 |
Beginning Balance, as restated at Dec. 31, 2017 | 4,299.7 |  | $ 181.0 |  | $ 3,388.2 |  | 1,221.8 |  | (555.4) |  | 64.1 |
Reclassification of the income tax effects within accumulated other comprehensive loss related to the Tax Act |  |  |  |  |  |  | 6.6 |  | (6.6) |  |  |
Net earnings | 286.0 |  |  |  |  |  | 273.7 |  |  |  | 12.3 |
Dividends paid to noncontrolling interests | (8.7) |  |  |  |  |  |  |  |  |  | (8.7) |
Net change in pension asset/liability, net of taxes | 0.9 |  |  |  |  |  |  |  | 0.9 |  |  |
Foreign currency translation | 58.4 |  |  |  |  |  |  |  | 56.2 |  | 2.2 |
Change in fair value of derivative instruments, net of taxes | 5.4 |  |  |  |  |  |  |  | 5.4 |  |  |
Compensation expense related to stock option plan grants | 4.8 |  |  |  | 4.8 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 6.5 |  | $ 0.1 |  | 6.4 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Stock option plans | 28.2 |  | $ 0.8 |  | 27.4 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.8 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 4.1 |  | $ 0.1 |  | 4.0 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | (14.1) |  | $ 0.2 |  | (14.3) |  |  |  |  |  |  |
Deferred compensation and restricted stock (in shares) |  |  | 0.2 |  |  |  |  |  |  |  |  |
Common stock repurchases | (11.3) |  | $ (0.1) |  | (11.2) |  |  |  |  |  |  |
Common stock repurchases (in shares) |  |  | (0.1) |  |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (75.4) |  |  |  |  |  | (75.4) |  |  |  |  |
Ending Balance at Mar. 31, 2018 | 4,584.5 |  | $ 182.1 |  | 3,405.3 |  | 1,426.7 |  | (499.5) |  | 69.9 |
Ending Balance (in shares) at Mar. 31, 2018 |  |  | 182.1 |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2017 |  | $ 4,164.9 |  | $ 181.0 |  | $ 3,388.2 |  | $ 1,095.9 |  | $ (559.9) |  | $ 59.7
Beginning Balance (in shares) at Dec. 31, 2017 |  |  | 181.0 | 181.0 |  |  |  |  |  |  |  |
Adoption of Topic 606 (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2017 | 134.8 |  |  |  |  |  | 125.9 |  | 4.5 |  | 4.4 |
Beginning Balance, as restated at Dec. 31, 2017 | 4,299.7 |  | $ 181.0 |  | 3,388.2 |  | 1,221.8 |  | (555.4) |  | 64.1 |
Net earnings | 548.1 |  |  |  |  |  |  |  |  |  |  |
Net change in pension asset/liability, net of taxes | 2.2 |  |  |  |  |  |  |  |  |  |  |
Compensation expense related to stock option plan grants | 10.1 |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2018 | 4,612.7 |  | $ 183.7 |  | 3,516.6 |  | 1,517.6 |  | (673.4) |  | 68.2 |
Ending Balance (in shares) at Sep. 30, 2018 |  |  | 183.7 |  |  |  |  |  |  |  |  |
Beginning Balance at Mar. 31, 2018 | 4,584.5 |  | $ 182.1 |  | 3,405.3 |  | 1,426.7 |  | (499.5) |  | 69.9 |
Beginning Balance (in shares) at Mar. 31, 2018 |  |  | 182.1 |  |  |  |  |  |  |  |  |
Net earnings | 123.7 |  |  |  |  |  | 114.9 |  |  |  | 8.8 |
Net purchase of subsidiary shares from noncontrolling interests | 2.9 |  |  |  | (1.6) |  |  |  |  |  | 4.5 |
Dividends paid to noncontrolling interests | (8.2) |  |  |  |  |  |  |  |  |  | (8.2) |
Net change in pension asset/liability, net of taxes | 0.6 |  |  |  |  |  |  |  | 0.6 |  |  |
Foreign currency translation | (150.1) |  |  |  |  |  |  |  | (144.6) |  | (5.5) |
Change in fair value of derivative instruments, net of taxes | (7.9) |  |  |  |  |  |  |  | (7.9) |  |  |
Compensation expense related to stock option plan grants | 1.6 |  |  |  | 1.6 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 14.2 |  | $ 0.2 |  | 14.0 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.2 |  |  |  |  |  |  |  |  |
Stock option plans | 6.4 |  | $ 0.2 |  | 6.2 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.2 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 9.0 |  | $ 0.1 |  | 8.9 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | 12.0 |  |  |  | 12.0 |  |  |  |  |  |  |
Cash dividends declared on common stock | (75.6) |  |  |  |  |  | (75.6) |  |  |  |  |
Ending Balance at Jun. 30, 2018 | 4,513.1 |  | $ 182.6 |  | 3,446.4 |  | 1,466.0 |  | (651.4) |  | 69.5 |
Ending Balance (in shares) at Jun. 30, 2018 |  |  | 182.6 |  |  |  |  |  |  |  |  |
Net earnings | 138.4 |  |  |  |  |  | 127.6 |  |  |  | 10.8 |
Net purchase of subsidiary shares from noncontrolling interests | (2.8) |  |  |  | (0.7) |  |  |  |  |  | (2.1) |
Dividends paid to noncontrolling interests | (10.3) |  |  |  |  |  |  |  |  |  | (10.3) |
Net change in pension asset/liability, net of taxes | 0.7 |  |  |  |  |  |  |  | 0.7 |  |  |
Foreign currency translation | (24.9) |  |  |  |  |  |  |  | (25.2) |  | 0.3 |
Change in fair value of derivative instruments, net of taxes | 2.5 |  |  |  |  |  |  |  | 2.5 |  |  |
Compensation expense related to stock option plan grants | 3.7 |  |  |  | 3.7 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 37.5 |  | $ 0.5 |  | 37.0 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.5 |  |  |  |  |  |  |  |  |
Stock option plans | 16.9 |  | $ 0.4 |  | 16.5 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.4 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 5.3 |  | $ 0.1 |  | 5.2 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | 8.6 |  | $ 0.1 |  | 8.5 |  |  |  |  |  |  |
Deferred compensation and restricted stock (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (76.0) |  |  |  |  |  | (76.0) |  |  |  |  |
Ending Balance at Sep. 30, 2018 | 4,612.7 |  | $ 183.7 |  | 3,516.6 |  | 1,517.6 |  | (673.4) |  | 68.2 |
Ending Balance (in shares) at Sep. 30, 2018 |  |  | 183.7 |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2018 | 4,569.7 |  | $ 184.0 |  | 3,541.9 |  | 1,558.6 |  | (785.6) |  | 70.8 |
Beginning Balance (in shares) at Dec. 31, 2018 |  |  | 184.0 |  |  |  |  |  |  |  |  |
Adoption of Topic 606 (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2018 | (2.4) |  |  |  |  |  | (2.2) |  | (0.2) |  |  |
Net earnings | 351.7 |  |  |  |  |  | 334.1 |  |  |  | 17.6 |
Net purchase of subsidiary shares from noncontrolling interests | (0.3) |  |  |  | (0.2) |  |  |  |  |  | (0.1) |
Dividends paid to noncontrolling interests | (11.0) |  |  |  |  |  |  |  |  |  | (11.0) |
Net change in pension asset/liability, net of taxes | 1.6 |  |  |  |  |  |  |  | 1.6 |  |  |
Foreign currency translation | 75.1 |  |  |  |  |  |  |  | 74.5 |  | 0.6 |
Change in fair value of derivative instruments, net of taxes | (11.8) |  |  |  |  |  |  |  | (11.8) |  |  |
Compensation expense related to stock option plan grants | 3.6 |  |  |  | 3.6 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 37.0 |  | $ 0.5 |  | 36.5 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.5 |  |  |  |  |  |  |  |  |
Stock option plans | 28.1 |  | $ 0.7 |  | 27.4 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.7 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 4.7 |  | $ 0.1 |  | 4.6 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | (7.5) |  |  |  | (7.5) |  |  |  |  |  |  |
Cash dividends declared on common stock | (80.3) |  |  |  |  |  | (80.3) |  |  |  |  |
Ending Balance at Mar. 31, 2019 | 4,958.2 |  | $ 185.3 |  | 3,606.3 |  | 1,810.2 |  | (721.5) |  | 77.9 |
Ending Balance (in shares) at Mar. 31, 2019 |  |  | 185.3 |  |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2018 | 4,569.7 |  | $ 184.0 |  | 3,541.9 |  | 1,558.6 |  | (785.6) |  | 70.8 |
Beginning Balance (in shares) at Dec. 31, 2018 |  |  | 184.0 |  |  |  |  |  |  |  |  |
Adoption of Topic 606 (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2018 | (2.4) |  |  |  |  |  | (2.2) |  | (0.2) |  |  |
Net earnings | 610.2 |  |  |  |  |  |  |  |  |  |  |
Net change in pension asset/liability, net of taxes | 3.4 |  |  |  |  |  |  |  |  |  |  |
Change in fair value of derivative instruments, net of taxes | (57.8) |  |  |  |  |  |  |  |  |  |  |
Compensation expense related to stock option plan grants | $ 10.5 |  |  |  |  |  |  |  |  |  |  |
Stock option plans (in shares) | 1.5 |  |  |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2019 | $ 4,912.0 |  | $ 186.5 |  | 3,697.7 |  | 1,884.2 |  | (925.1) |  | 68.7 |
Ending Balance (in shares) at Sep. 30, 2019 |  |  | 186.5 |  |  |  |  |  |  |  |  |
Beginning Balance at Mar. 31, 2019 | 4,958.2 |  | $ 185.3 |  | 3,606.3 |  | 1,810.2 |  | (721.5) |  | 77.9 |
Beginning Balance (in shares) at Mar. 31, 2019 |  |  | 185.3 |  |  |  |  |  |  |  |  |
Net earnings | 121.4 |  |  |  |  |  | 110.1 |  |  |  | 11.3 |
Net purchase of subsidiary shares from noncontrolling interests | (7.3) |  |  |  |  |  |  |  |  |  | (7.3) |
Dividends paid to noncontrolling interests | (13.3) |  |  |  |  |  |  |  |  |  | (13.3) |
Net change in pension asset/liability, net of taxes | 0.8 |  |  |  |  |  |  |  | 0.8 |  |  |
Foreign currency translation | (60.9) |  |  |  |  |  |  |  | (60.7) |  | (0.2) |
Change in fair value of derivative instruments, net of taxes | (21.1) |  |  |  |  |  |  |  | (21.1) |  |  |
Compensation expense related to stock option plan grants | 3.5 |  |  |  | 3.5 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 11.0 |  | $ 0.1 |  | 10.9 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Stock option plans | 21.8 |  | $ 0.5 |  | 21.3 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.5 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 10.5 |  | $ 0.1 |  | 10.4 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | 4.2 |  | $ 0.1 |  | 4.1 |  |  |  |  |  |  |
Deferred compensation and restricted stock (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (81.0) |  |  |  |  |  | (81.0) |  |  |  |  |
Ending Balance at Jun. 30, 2019 | 4,947.8 |  | $ 186.1 |  | 3,656.5 |  | 1,839.3 |  | (802.5) |  | 68.4 |
Ending Balance (in shares) at Jun. 30, 2019 |  |  | 186.1 |  |  |  |  |  |  |  |  |
Net earnings | 137.1 |  |  |  |  |  | 126.1 |  |  |  | 11.0 |
Net purchase of subsidiary shares from noncontrolling interests | 0.9 |  |  |  |  |  |  |  |  |  | 0.9 |
Dividends paid to noncontrolling interests | (8.5) |  |  |  |  |  |  |  |  |  | (8.5) |
Net change in pension asset/liability, net of taxes | 1.0 |  |  |  |  |  |  |  | 1.0 |  |  |
Foreign currency translation | (101.8) |  |  |  |  |  |  |  | (98.7) |  | (3.1) |
Change in fair value of derivative instruments, net of taxes | (24.9) |  |  |  |  |  |  |  | (24.9) |  |  |
Compensation expense related to stock option plan grants | 3.4 |  |  |  | 3.4 |  |  |  |  |  |  |
Common stock issued in: purchase transactions | 9.0 |  | $ 0.1 |  | 8.9 |  |  |  |  |  |  |
Common stock issued in: purchase transactions (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Stock option plans | 11.8 |  | $ 0.2 |  | 11.6 |  |  |  |  |  |  |
Stock option plans (in shares) |  |  | 0.2 |  |  |  |  |  |  |  |  |
Employee stock purchase plan | 6.2 |  | $ 0.1 |  | 6.1 |  |  |  |  |  |  |
Employee stock purchase plan (in shares) |  |  | 0.1 |  |  |  |  |  |  |  |  |
Deferred compensation and restricted stock | 11.2 |  |  |  | 11.2 |  |  |  |  |  |  |
Cash dividends declared on common stock | (81.2) |  |  |  |  |  | (81.2) |  |  |  |  |
Ending Balance at Sep. 30, 2019 | $ 4,912.0 |  | $ 186.5 |  | $ 3,697.7 |  | $ 1,884.2 |  | $ (925.1) |  | $ 68.7 |
Ending Balance (in shares) at Sep. 30, 2019 |  |  | 186.5 |  |  |  |  |  |  |  |  |

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