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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Taxes |
Schedule of income before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ |  | 2020 |  | 2019 |  | 2018 |
Income before income taxes: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | 310.3 | ​ | $ | 318.6 | ​ | $ | 194.1 | ​
Foreign | ​ |  | 1,216.3 | ​ |  | 1,177.3 | ​ |  | 1,394.3 | ​
​ | ​ | $ | 1,526.6 | ​ | $ | 1,495.9 | ​ | $ | 1,588.4 | ​
Current tax provision (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | (5.7) | ​ | $ | 22.9 | ​ | $ | 37.8 | ​
Foreign | ​ |  | 288.2 | ​ |  | 293.8 | ​ |  | 345.7 | ​
​ | ​ | ​ | 282.5 | ​ | ​ | 316.7 | ​ | ​ | 383.5 | ​
Deferred tax provision (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | ​ | 43.0 | ​ | ​ | 35.8 | ​ | ​ | 27.8 | ​
Foreign | ​ |  | (12.2) | ​ |  | (20.6) | ​ |  | (39.8) | ​
​ | ​ |  | 30.8 | ​ |  | 15.2 | ​ |  | (12.0) | ​
Total provision for income taxes | ​ | $ | 313.3 | ​ | $ | 331.9 | ​ | $ | 371.5 | ​
Schedule of provision for income taxes | The components of income before income taxes and the provision for income taxes are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ |  | 2020 |  | 2019 |  | 2018 |
Income before income taxes: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | 310.3 | ​ | $ | 318.6 | ​ | $ | 194.1 | ​
Foreign | ​ |  | 1,216.3 | ​ |  | 1,177.3 | ​ |  | 1,394.3 | ​
​ | ​ | $ | 1,526.6 | ​ | $ | 1,495.9 | ​ | $ | 1,588.4 | ​
Current tax provision (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | (5.7) | ​ | $ | 22.9 | ​ | $ | 37.8 | ​
Foreign | ​ |  | 288.2 | ​ |  | 293.8 | ​ |  | 345.7 | ​
​ | ​ | ​ | 282.5 | ​ | ​ | 316.7 | ​ | ​ | 383.5 | ​
Deferred tax provision (benefit): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | ​ | 43.0 | ​ | ​ | 35.8 | ​ | ​ | 27.8 | ​
Foreign | ​ |  | (12.2) | ​ |  | (20.6) | ​ |  | (39.8) | ​
​ | ​ |  | 30.8 | ​ |  | 15.2 | ​ |  | (12.0) | ​
Total provision for income taxes | ​ | $ | 313.3 | ​ | $ | 331.9 | ​ | $ | 371.5 | ​
Schedule of differences between the U.S. statutory federal tax rate and the Company's effective income tax rate | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ | ​ | 2020 |  | ​ | 2019 |  | ​ | 2018 |
U.S. statutory federal tax rate | ​ | 21.0 | % | ​ | 21.0 | % | ​ | 21.0 | %
State and local taxes | ​ | 0.8 | ​ | ​ | 0.7 | ​ | ​ | 0.6 | ​
Foreign earnings and dividends taxed at different rates | ​ | 2.1 | ​ | ​ | 1.4 | ​ | ​ | 2.3 | ​
U.S. tax on foreign income | ​ | 0.8 | ​ | ​ | 1.2 | ​ | ​ | 1.8 | ​
Tax Act - transition tax | ​ | — | ​ | ​ | — | ​ | ​ | 0.7 | ​
Tax Act - change in indefinite reinvestment assertion | ​ | — | ​ | ​ | — | ​ | ​ | (1.6) | ​
Excess tax benefits related to stock-based compensation | ​ | (2.8) | ​ | ​ | (2.5) | ​ | ​ | (1.2) | ​
Settlements of refund claims in foreign jurisdictions including related deferred taxes | ​ | (1.3) | ​ | ​ | — | ​ | ​ | — | ​
Other, net | ​ | (0.1) | ​ | ​ | 0.4 | ​ | ​ | (0.2) | ​
Effective tax rate | ​ | 20.5 | % | ​ | 22.2 | % | ​ | 23.4 | %
Schedule of deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
Deferred tax assets relating to: | ​ | ​ | ​ | ​ | ​ | ​
Accrued liabilities and reserves | ​ | $ | 54.2 | ​ | $ | 41.8
Operating lease liabilities | ​ | ​ | 52.7 | ​ | ​ | 45.7
Operating loss and tax credit carryforwards | ​ |  | 62.8 | ​ |  | 81.3
Pensions | ​ |  | 36.4 | ​ |  | 26.2
Inventories | ​ |  | 49.0 | ​ |  | 39.3
Employee benefits | ​ |  | 35.2 | ​ |  | 36.0
Total deferred tax assets | ​ | ​ | 290.3 | ​ | ​ | 270.3
Valuation allowance | ​ | ​ | (40.1) | ​ | ​ | (35.2)
Total deferred tax assets, net of valuation allowances | ​ | ​ | 250.2 | ​ | ​ | 235.1
​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred tax liabilities relating to: | ​ | ​ | ​ | ​ | ​ | ​
Goodwill | ​ | ​ | 202.1 | ​ | ​ | 179.5
Depreciation and amortization | ​ |  | 81.5 | ​ |  | 74.1
Operating lease right-of-use assets | ​ | ​ | 52.7 | ​ | ​ | 45.7
Unremitted foreign earnings | ​ | ​ | 114.9 | ​ |  | 115.8
Total deferred tax liabilities | ​ | ​ | 451.2 | ​ | ​ | 415.1
​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred tax liability | ​ | $ | 201.0 | ​ | $ | 180.0
​ | ​ | ​ | ​ | ​ | ​ | ​
Classification of deferred tax assets and liabilities, as reflected on the Consolidated Balance Sheets: | ​ | ​ | ​ | ​ | ​ | ​
Other long-term assets | ​ | $ | 98.1 | ​ | $ | 80.4
Deferred income taxes | ​ |  | 299.1 | ​ |  | 260.4
Net deferred tax liability, long-term | ​ | $ | 201.0 | ​ | $ | 180.0
Schedule of reconciliation of gross amounts of unrecognized tax benefits excluding interest and penalties | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019 |  | 2018 |
Unrecognized tax benefits as of January 1 | ​ | $ | 159.1 | ​ | $ | 130.5 | ​ | $ | 127.3 | ​
Gross increases for tax positions in prior periods | ​ |  | 5.4 | ​ |  | 20.9 | ​ |  | 18.9 | ​
Gross increases for tax positions in current period | ​ |  | 16.4 | ​ |  | 9.0 | ​ |  | 2.0 | ​
Settlements | ​ |  | (38.8) | ​ |  | — | ​ |  | (14.1) | ​
Lapse of statutes of limitations | ​ |  | (6.8) | ​ |  | (1.3) | ​ |  | (3.6) | ​
Unrecognized tax benefits as of December 31 | ​ | $ | 135.3 | ​ | $ | 159.1 | ​ | $ | 130.5 | ​

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- Definition Tabular reconciliation of the total amount of unrecognized tax benefits at the beginning and end of the period excluding interest and penalties. Reconciliation includes: (a) the gross amounts of increases and decreases in unrecognized tax benefits as a result of tax positions taken in the current period, (b) the gross amounts of increases and decreases in unrecognized tax benefits as a result of tax positions taken in prior periods, (c) decreases in unrecognized tax benefits relating to settlements with taxing authorities, and (d) reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations. + References No definition available. + Details
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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