Consolidated Statements of Total Equity - USD ($) $ in Millions |
Total |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
Noncontrolling Interest [Member] |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
376,261,635
|
|
|
|
|
Beginning Balances at Sep. 30, 2018 |
$ 9,158.9
|
$ 3.9
|
$ 3,085.0
|
$ 6,217.9
|
$ (322.4)
|
$ 174.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Net income |
286.7
|
0.0
|
0.0
|
287.2
|
0.0
|
(0.5)
|
Exercise of stock options |
8.6
|
0.0
|
8.6
|
|
|
|
Stock issued under employee incentive plans |
|
|
0.0
|
|
|
|
Cash paid for shares withheld for taxes |
(4.1)
|
0.0
|
(4.1)
|
0.0
|
0.0
|
0.0
|
Stock-based compensation expense |
18.1
|
|
18.1
|
|
|
|
Cash dividends declared |
(56.0)
|
|
|
(56.0)
|
|
|
Repurchases of common stock |
(140.6)
|
|
|
|
(140.6)
|
|
Distributions to noncontrolling interests |
(0.5)
|
|
|
|
|
(0.5)
|
Ending Balances at Dec. 31, 2018 |
$ 9,298.2
|
$ 3.9
|
3,107.6
|
6,476.2
|
(463.0)
|
173.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.15
|
$ 0.15
|
|
|
|
|
Stockholders' Equity, Period Increase (Decrease) | Accounting Standards Update 2014-09 |
$ 27.1
|
$ 0.0
|
0.0
|
27.1
|
0.0
|
0.0
|
Beginning Balances at Sep. 30, 2018 |
9,158.9
|
3.9
|
3,085.0
|
6,217.9
|
(322.4)
|
174.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Net income |
1,114.7
|
|
|
|
|
|
Cash paid for shares withheld for taxes |
(19.5)
|
|
|
|
|
|
Ending Balances at Jun. 30, 2019 |
9,814.7
|
$ 3.9
|
3,146.0
|
7,190.4
|
(697.9)
|
172.3
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
373,242,060
|
|
|
|
|
Beginning Balances at Dec. 31, 2018 |
9,298.2
|
$ 3.9
|
3,107.6
|
6,476.2
|
(463.0)
|
173.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Net income |
354.4
|
0.0
|
0.0
|
351.3
|
0.0
|
3.1
|
Exercise of stock options |
11.4
|
0.0
|
11.4
|
|
|
|
Stock issued under employee incentive plans |
2.3
|
|
2.0
|
|
|
0.3
|
Cash paid for shares withheld for taxes |
(15.4)
|
0.0
|
(15.4)
|
0.0
|
0.0
|
0.0
|
Stock-based compensation expense |
17.8
|
|
17.8
|
|
|
|
Cash dividends declared |
(55.9)
|
|
|
(55.9)
|
|
|
Repurchases of common stock |
(75.6)
|
|
|
|
(75.6)
|
|
Distributions to noncontrolling interests |
(3.2)
|
|
|
|
|
(3.2)
|
Ending Balances at Mar. 31, 2019 |
$ 9,534.0
|
$ 3.9
|
3,123.4
|
6,771.6
|
(538.6)
|
173.7
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.15
|
$ 0.15
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
373,132,964
|
|
|
|
|
Net income |
$ 473.6
|
$ 0.0
|
0.0
|
474.8
|
0.0
|
(1.2)
|
Exercise of stock options |
4.6
|
0.0
|
4.6
|
|
|
|
Stock issued under employee incentive plans |
|
|
0.0
|
|
|
|
Stock-based compensation expense |
18.0
|
|
18.0
|
|
|
|
Cash dividends declared |
(56.0)
|
|
|
(56.0)
|
|
|
Repurchases of common stock |
(159.3)
|
|
|
|
(159.3)
|
|
Distributions to noncontrolling interests |
(0.2)
|
|
|
|
|
(0.2)
|
Ending Balances at Jun. 30, 2019 |
$ 9,814.7
|
$ 3.9
|
3,146.0
|
7,190.4
|
(697.9)
|
172.3
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.15
|
$ 0.15
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
369,748,212
|
|
|
|
|
Ending Balances at Sep. 30, 2019 |
$ 10,295.1
|
$ 3.9
|
3,179.1
|
7,640.1
|
(802.2)
|
274.2
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.15
|
|
|
|
|
|
Common Stock, Shares, Outstanding |
368,431,454
|
368,431,454
|
|
|
|
|
Net income |
$ 432.5
|
$ 0.0
|
0.0
|
431.3
|
0.0
|
1.2
|
Exercise of stock options |
4.1
|
0.0
|
4.1
|
|
|
|
Stock issued under employee incentive plans |
|
|
0.0
|
|
|
|
Cash paid for shares withheld for taxes |
(17.3)
|
0.0
|
(17.3)
|
0.0
|
0.0
|
0.0
|
Stock-based compensation expense |
16.6
|
|
16.6
|
|
|
|
Cash dividends declared |
(64.6)
|
|
|
(64.6)
|
|
|
Repurchases of common stock |
(163.1)
|
|
|
|
(163.1)
|
|
Distributions to noncontrolling interests |
(0.4)
|
|
|
|
|
(0.4)
|
Change of ownership interest in Forestar |
0.0
|
|
(0.5)
|
|
|
0.5
|
Ending Balances at Dec. 31, 2019 |
$ 10,502.9
|
$ 3.9
|
3,182.0
|
8,006.8
|
(965.3)
|
275.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.175
|
$ 0.175
|
|
|
|
|
Beginning Balances at Sep. 30, 2019 |
$ 10,295.1
|
$ 3.9
|
3,179.1
|
7,640.1
|
(802.2)
|
274.2
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Net income |
1,549.3
|
|
|
|
|
|
Cash paid for shares withheld for taxes |
(38.2)
|
|
|
|
|
|
Ending Balances at Jun. 30, 2020 |
11,327.1
|
$ 3.9
|
3,214.2
|
8,992.5
|
(1,162.6)
|
279.1
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
366,273,190
|
|
|
|
|
Beginning Balances at Dec. 31, 2019 |
10,502.9
|
$ 3.9
|
3,182.0
|
8,006.8
|
(965.3)
|
275.5
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Net income |
484.0
|
0.0
|
0.0
|
482.7
|
0.0
|
1.3
|
Exercise of stock options |
6.2
|
0.0
|
6.2
|
|
|
|
Stock issued under employee incentive plans |
2.6
|
|
2.6
|
|
|
|
Cash paid for shares withheld for taxes |
(20.8)
|
0.0
|
(20.8)
|
0.0
|
0.0
|
0.0
|
Stock-based compensation expense |
21.3
|
|
21.3
|
|
|
|
Cash dividends declared |
(64.1)
|
|
|
(64.1)
|
|
|
Repurchases of common stock |
(197.3)
|
|
|
|
(197.3)
|
|
Ending Balances at Mar. 31, 2020 |
$ 10,734.8
|
$ 3.9
|
3,191.3
|
8,425.4
|
(1,162.6)
|
276.8
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.175
|
$ 0.175
|
|
|
|
|
Common Stock, Shares, Outstanding |
|
363,537,810
|
|
|
|
|
Net income |
$ 632.9
|
$ 0.0
|
0.0
|
630.7
|
0.0
|
2.2
|
Exercise of stock options |
2.1
|
0.0
|
2.1
|
|
|
|
Stock issued under employee incentive plans |
|
|
0.0
|
|
|
|
Cash paid for shares withheld for taxes |
(0.1)
|
0.0
|
(0.1)
|
0.0
|
0.0
|
0.0
|
Stock-based compensation expense |
21.3
|
|
21.3
|
|
|
|
Cash dividends declared |
(63.6)
|
|
|
(63.6)
|
|
|
Distributions to noncontrolling interests |
(0.3)
|
|
|
|
|
(0.3)
|
Change of ownership interest in Forestar |
0.0
|
|
(0.4)
|
|
|
0.4
|
Ending Balances at Jun. 30, 2020 |
$ 11,327.1
|
$ 3.9
|
$ 3,214.2
|
$ 8,992.5
|
$ (1,162.6)
|
$ 279.1
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
Divedends declared (in dollars per sh |
$ 0.175
|
$ 0.175
|
|
|
|
|
Common Stock, Shares, Outstanding |
363,633,208
|
363,633,208
|
|
|
|
|