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Income Taxes - Summary, Reconciliation and Other (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Current: |  |  |
Federal | $ 150.6 | $ 117.8 | $ 91.1
State | 47.6 | 21.5 | 18.9
Foreign | 19.7 | 16.1 | 10.6
Total | 217.9 | 155.4 | 120.6
Deferred: |  |  |
Federal | (6.0) | (202.8) | 3.0
State | (2.3) | 11.1 | 1.0
Foreign | (0.8) | (0.9) | (4.5)
Total | (9.1) | (192.6) | (0.5)
Income tax provision | 208.8 | (37.2) | 120.1
Components of U.S. and international income before income taxes |  |  |
US | 775.2 | 524.6 | 411.0
International | 75.4 | 59.2 | 18.2
Income before income taxes | $ 850.6 | $ 583.8 | $ 429.2
Reconciliation of income tax at the U.S. federal statutory tax rates to income tax expense |  |  |
Income tax at U.S. federal statutory tax rate (as a percent) | 21.00% | 35.00% | 35.00%
Tax Reform (as a percent) | 0.40% | (35.50%) |
State income tax, net of federal tax effect (as a percent) | 3.60% | 3.80% | 3.10%
Foreign earnings taxed at higher (lower) rates (as a percent) | 0.40% | (0.70%) | (0.80%)
Net effect of life insurance policies (as a percent) | (1.50%) | (3.60%) | (4.20%)
Net effect of changes in unrecognized tax benefits (as a percent) | (0.20%) | (0.20%) | (4.30%)
Stock-based compensation (as a percent) | 0.60% | (0.20%) |
Domestic production activity deduction (as a percent) |  | (1.60%) | (1.70%)
Loss on sale of assets (as a percent) |  | (0.80%) |
Other, net (as a percent) | 0.20% | (2.60%) | 0.90%
Effective tax rate (as a percent) | 24.50% | (6.40%) | 28.00%
Deferred tax assets: |  |  |
Accrued expenses not currently deductible for tax | $ 26.0 | $ 34.8 |
Inventory costs capitalized for tax purposes | 27.1 | 23.1 |
Share-based compensation | 7.2 | 10.5 |
Allowance for doubtful accounts | 5.4 | 3.4 |
Tax credits carryforwards | 1.0 | 1.3 |
Net operating loss carryforwards | 6.0 | 5.6 |
Total deferred tax assets | 72.7 | 78.7 |
Deferred tax liabilities: |  |  |
Property, plant and equipment, net | (175.4) | (159.7) |
Goodwill and other intangible assets | (308.8) | (307.3) |
LIFO inventories | (21.1) | (39.5) |
Deferred income |  | (0.8) |
Other | (7.5) | (12.2) |
Total deferred tax liabilities | (512.8) | (519.5) |
Net deferred tax liabilities | (440.1) | (440.8) |
Tax Cuts and Jobs Act of 2017 |  |  |
Effect of tax rate changes on deferred tax assets and liabilities |  | 216.7 |
One time transition tax |  | 9.4 |
Tax benefit, net |  | $ 207.3 |
Completed tax benefit, net | 3.2 |  |
State |  |  |
Income Taxes |  |  |
Operating Loss Carryforwards | $ 5.6 |  |

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