Condensed Consolidating Financial Information (Details 2) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Condensed Consolidating Statement of Cash Flows
Net cash provided by (used in) operating activities	$ 2,246.3	$ 1,931.4	$ 1,696.0
Cash flows from investing activities:
Investments in equity method investees and securities	(4,081.5)	(210.9)	(17.1)
Purchases of property, plant and equipment	(886.3)	(1,057.6)	(907.4)
Purchases of businesses, net of cash acquired	(45.6)	(150.1)	(1,111.0)
Proceeds from sale of unconsolidated investment	110.2	0.0	0.0
Proceeds from sales of assets	72.3	5.9	2.1
Net proceeds from intercompany notes	0.0	0.0	0.0
Net returns of capital from (investment in) equity affiliates	0.0	0.0	0.0
Other investing activities	(0.9)	(5.4)	(3.7)
Net cash used in investing activities	(4,831.8)	(1,423.1)	(1,461.8)
Proceeds from (payments related to) sale of business	0.0	(5.0)	575.3
Cash flows from financing activities:
Dividends paid to parent company	0.0	0.0	0.0
Net contributions from (returns of capital to) equity affiliates	0.0	0.0	0.0
Net proceeds from (repayments of) intercompany notes	0.0	0.0	0.0
Proceeds from issuance of long-term debt	3,657.6	7,933.4	1,965.6
Proceeds from shares issued under equity compensation plans	63.2	49.4	59.7
Net proceeds from (repayments of) short-term borrowings	45.5	137.2	197.1
Dividends paid	(557.7)	(400.1)	(315.1)
Purchases of treasury stock	(504.3)	(1,038.5)	(1,122.7)
Principal payments of long-term debt	(62.8)	(7,128.7)	(971.8)
Payments of debt issuance, debt extinguishment and other financing costs	(34.6)	(122.2)	(14.1)
Payments of minimum tax withholdings on stock-based payment awards	(13.6)	(31.7)	(64.9)
Net cash provided by (used in) financing activities	2,593.3	(601.2)	(134.8)
Excess tax benefits from stock-based payment awards	0.0	0.0	131.4
Effect of exchange rate changes on cash and cash equivalents	(4.5)	5.8	(5.1)
Net increase (decrease) in cash and cash equivalents	3.3	(87.1)	94.3
Cash and cash equivalents, beginning of year	90.3	177.4	83.1
Cash and cash equivalents, end of year	93.6	90.3	177.4
Eliminations [Member]
Condensed Consolidating Statement of Cash Flows
Net cash provided by (used in) operating activities	(157.0)	0.0	(655.4)
Cash flows from investing activities:
Investments in equity method investees and securities	0.0	0.0	0.0
Purchases of property, plant and equipment	0.0	0.0	0.0
Purchases of businesses, net of cash acquired	0.0	0.0	0.0
Proceeds from sale of unconsolidated investment	0.0
Proceeds from sales of assets	0.0	0.0	0.0
Net proceeds from intercompany notes	(525.1)	(269.6)	(422.0)
Net returns of capital from (investment in) equity affiliates	3,938.9	1,355.0	(470.7)
Other investing activities	0.0	0.0	0.0
Net cash used in investing activities	3,413.8	1,085.4	(892.7)
Proceeds from (payments related to) sale of business		0.0	0.0
Cash flows from financing activities:
Dividends paid to parent company	209.5	70.0	868.7
Net contributions from (returns of capital to) equity affiliates	(3,991.4)	(1,425.0)	257.4
Net proceeds from (repayments of) intercompany notes	525.1	269.6	422.0
Proceeds from issuance of long-term debt	0.0	0.0	0.0
Proceeds from shares issued under equity compensation plans	0.0	0.0	0.0
Net proceeds from (repayments of) short-term borrowings	0.0	0.0	0.0
Dividends paid	0.0	0.0	0.0
Purchases of treasury stock	0.0	0.0	0.0
Principal payments of long-term debt	0.0	0.0	0.0
Payments of debt issuance, debt extinguishment and other financing costs	0.0	0.0	0.0
Payments of minimum tax withholdings on stock-based payment awards	0.0	0.0	0.0
Net cash provided by (used in) financing activities	(3,256.8)	(1,085.4)	1,548.1
Excess tax benefits from stock-based payment awards			0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0	0.0
Net increase (decrease) in cash and cash equivalents	0.0	0.0	0.0
Cash and cash equivalents, beginning of year	0.0	0.0	0.0
Cash and cash equivalents, end of year	0.0	0.0	0.0
Parent Company [Member]
Condensed Consolidating Statement of Cash Flows
Net cash provided by (used in) operating activities	169.8	(374.5)	341.4
Cash flows from investing activities:
Investments in equity method investees and securities	0.0	0.0	0.0
Purchases of property, plant and equipment	(34.4)	(21.3)	(12.8)
Purchases of businesses, net of cash acquired	0.0	0.0	0.0
Proceeds from sale of unconsolidated investment	0.0
Proceeds from sales of assets	0.6	0.1	0.7
Net proceeds from intercompany notes	525.1	265.8	422.0
Net returns of capital from (investment in) equity affiliates	(3,927.8)	(1,355.0)	470.7
Other investing activities	0.0	(6.2)	0.0
Net cash used in investing activities	(3,436.5)	(1,116.6)	870.7
Proceeds from (payments related to) sale of business		0.0	(9.9)
Cash flows from financing activities:
Dividends paid to parent company	0.0	0.0	0.0
Net contributions from (returns of capital to) equity affiliates	0.0	0.0	0.0
Net proceeds from (repayments of) intercompany notes	214.9	(211.0)	(20.2)
Proceeds from issuance of long-term debt	3,645.6	5,886.4	600.0
Proceeds from shares issued under equity compensation plans	63.2	49.4	59.7
Net proceeds from (repayments of) short-term borrowings	465.6	33.3	231.0
Dividends paid	(557.7)	(400.1)	(315.1)
Purchases of treasury stock	(504.3)	(1,038.5)	(1,122.7)
Principal payments of long-term debt	(19.6)	(2,717.8)	(767.6)
Payments of debt issuance, debt extinguishment and other financing costs	(34.6)	(115.6)	(5.0)
Payments of minimum tax withholdings on stock-based payment awards	0.0	0.0	0.0
Net cash provided by (used in) financing activities	3,273.1	1,486.1	(1,208.5)
Excess tax benefits from stock-based payment awards			131.4
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0	0.0
Net increase (decrease) in cash and cash equivalents	6.4	(5.0)	3.6
Cash and cash equivalents, beginning of year	4.6	9.6	6.0
Cash and cash equivalents, end of year	11.0	4.6	9.6
Subsidiaries Guarantors [Member]
Condensed Consolidating Statement of Cash Flows
Net cash provided by (used in) operating activities	353.1	1,288.2	1,051.5
Cash flows from investing activities:
Investments in equity method investees and securities	(0.1)	(0.1)	(0.1)
Purchases of property, plant and equipment	(104.2)	(128.3)	(89.8)
Purchases of businesses, net of cash acquired	(19.5)	(70.9)	0.0
Proceeds from sale of unconsolidated investment	0.0
Proceeds from sales of assets	41.1	0.0	0.0
Net proceeds from intercompany notes	0.0	0.0	0.0
Net returns of capital from (investment in) equity affiliates	(11.1)	0.0	0.0
Other investing activities	0.0	0.0	0.0
Net cash used in investing activities	(93.8)	(199.3)	(89.9)
Proceeds from (payments related to) sale of business		0.0	0.0
Cash flows from financing activities:
Dividends paid to parent company	0.0	0.0	0.0
Net contributions from (returns of capital to) equity affiliates	25.8	0.9	(22.0)
Net proceeds from (repayments of) intercompany notes	(256.9)	(1,041.1)	(855.4)
Proceeds from issuance of long-term debt	0.0	0.0	0.0
Proceeds from shares issued under equity compensation plans	0.0	0.0	0.0
Net proceeds from (repayments of) short-term borrowings	0.0	0.0	0.0
Dividends paid	0.0	0.0	0.0
Purchases of treasury stock	0.0	0.0	0.0
Principal payments of long-term debt	(17.2)	(19.1)	(20.6)
Payments of debt issuance, debt extinguishment and other financing costs	0.0	0.0	0.0
Payments of minimum tax withholdings on stock-based payment awards	(12.8)	(30.5)	(61.9)
Net cash provided by (used in) financing activities	(261.1)	(1,089.8)	(959.9)
Excess tax benefits from stock-based payment awards			0.0
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0	0.0
Net increase (decrease) in cash and cash equivalents	(1.8)	(0.9)	1.7
Cash and cash equivalents, beginning of year	4.4	5.3	3.6
Cash and cash equivalents, end of year	2.6	4.4	5.3
Subsidiary Nonguarantors [Member]
Condensed Consolidating Statement of Cash Flows
Net cash provided by (used in) operating activities	1,880.4	1,017.7	958.5
Cash flows from investing activities:
Investments in equity method investees and securities	(4,081.4)	(210.8)	(17.0)
Purchases of property, plant and equipment	(747.7)	(908.0)	(804.8)
Purchases of businesses, net of cash acquired	(26.1)	(79.2)	(1,111.0)
Proceeds from sale of unconsolidated investment	110.2
Proceeds from sales of assets	30.6	5.8	1.4
Net proceeds from intercompany notes	0.0	3.8	0.0
Net returns of capital from (investment in) equity affiliates	0.0	0.0	0.0
Other investing activities	(0.9)	0.8	(3.7)
Net cash used in investing activities	(4,715.3)	(1,192.6)	(1,349.9)
Proceeds from (payments related to) sale of business		(5.0)	585.2
Cash flows from financing activities:
Dividends paid to parent company	(209.5)	(70.0)	(868.7)
Net contributions from (returns of capital to) equity affiliates	3,965.6	1,424.1	(235.4)
Net proceeds from (repayments of) intercompany notes	(483.1)	982.5	453.6
Proceeds from issuance of long-term debt	12.0	2,047.0	1,365.6
Proceeds from shares issued under equity compensation plans	0.0	0.0	0.0
Net proceeds from (repayments of) short-term borrowings	(420.1)	103.9	(33.9)
Dividends paid	0.0	0.0	0.0
Purchases of treasury stock	0.0	0.0	0.0
Principal payments of long-term debt	(26.0)	(4,391.8)	(183.6)
Payments of debt issuance, debt extinguishment and other financing costs	0.0	(6.6)	(9.1)
Payments of minimum tax withholdings on stock-based payment awards	(0.8)	(1.2)	(3.0)
Net cash provided by (used in) financing activities	2,838.1	87.9	485.5
Excess tax benefits from stock-based payment awards			0.0
Effect of exchange rate changes on cash and cash equivalents	(4.5)	5.8	(5.1)
Net increase (decrease) in cash and cash equivalents	(1.3)	(81.2)	89.0
Cash and cash equivalents, beginning of year	81.3	162.5	73.5
Cash and cash equivalents, end of year	$ 80.0	$ 81.3	$ 162.5