Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000091419 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2015-05-01 - 2016-04-30
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	Income before income taxes is as follows:   Year Ended April 30,    2016   2015   2014 Domestic $ 959.3   $ 500.7   $ 827.4 Foreign 18.6   22.3   22.3 Income before income taxes $ 977.9   $ 523.0   $ 849.7
Components of the provision for income taxes	The components of the provision for income taxes are as follows:    Year Ended April 30,    2016   2015   2014 Current:           Federal $ 342.5   $ 147.8   $ 265.4 Foreign 4.8   4.7   4.2 State and local 37.1   17.9   22.9 Deferred:           Federal (32.1 )   2.3   (13.9 ) Foreign 1.3   0.5   2.4 State and local (64.4 )   4.9   3.5 Total income tax expense $ 289.2   $ 178.1   $ 284.5
Reconciliation of the statutory federal income tax rate and the effective income tax rate	A reconciliation of the statutory federal income tax rate and the effective income tax rate is as follows:    Year Ended April 30,   Percent of Pretax Income 2016   2015   2014 Statutory federal income tax rate 35.0  %     35.0  %     35.0  %   State and local income taxes 2.5     2.4     1.9   Domestic manufacturing deduction (3.5 )     (2.9 )     (3.0 )   Deferred tax benefit from integration (5.2 )     —     —   Other items – net 0.8     (0.4 )     (0.4 )   Effective income tax rate 29.6  %     34.1  %     33.5  %   Income taxes paid $ 290.5     $ 199.3     $ 294.4
Deferred tax assets and liabilities	Deferred income taxes reflect the tax effects of temporary differences between the carrying amounts of assets and liabilities for financial- reporting purposes and the amounts used for income tax reporting. Significant components of our deferred tax assets and liabilities are as follows:    April 30,    2016   2015 Deferred tax liabilities:       Intangible assets $ 2,330.8   $ 2,499.4 Property, plant, and equipment 140.5   158.0 Other 11.9   9.6 Total deferred tax liabilities $ 2,483.2   $ 2,667.0 Deferred tax assets:       Post-employment and other employee benefits $ 171.8   $ 143.4 Tax credit and loss carryforwards 3.7   44.8 Intangible assets 23.2   22.1 Inventory 8.0   11.6 Property, plant, and equipment 5.1   19.4 Other 47.3   32.9 Total deferred tax assets $ 259.1   $ 274.2 Valuation allowance (6.2 )   (4.2 ) Total deferred tax assets, less allowance $ 252.9   $ 270.0 Net deferred tax liability $ 2,230.3   $ 2,397.0
Summary of operating loss and tax credit carryforwards	The following table summarizes domestic loss and credit carryforwards at April 30, 2016.   Related Tax Deduction   Deferred Tax Asset   Valuation Allowance     Expiration Date      Tax carryforwards:                 Federal loss carryforwards   $ —   $ 3.3   $ 3.3   2021 State loss carryforwards   2.7   0.1   —   2021 to 2036 State tax credit carryforwards   —   0.3   —   2022 Total tax carryforwards   $ 2.7   $ 3.7   $ 3.3
Reconciliation of unrecognized tax benefits	A reconciliation of our unrecognized tax benefits is as follows:   2016   2015   2014 Balance at May 1, $ 45.0   $ 29.1   $ 29.7 Increases:           Current year tax positions 3.3   2.4   5.1 Prior year tax positions 0.2   1.2   0.1 Acquired businesses 3.3   13.4   — Decreases:           Prior year tax positions 0.9   0.4   1.6 Settlement with tax authorities 2.5   —   1.5 Expiration of statute of limitations periods 2.1   0.7   2.7 Balance at April 30, $ 46.3   $ 45.0   $ 29.1