Revenue Recognition (Table Text Block)	3 Months Ended	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2021
Revenue From Contract With Customer [Abstract]
Disaggregation Of Revenue	Quarter Ended December 31,     2021   2020     (Unaudited)     (In thousands)           Revenues recognized over time: $   73,785 $   51,161 Revenues recognized at a point in time:   90,763   84,820 Total revenues recognized under ASC 606   164,548   135,981           Revenues recognized under ASC 842   1,154,751   945,024 Revenues recognized under ASC 944   53,853   53,397 Revenues recognized under ASC 320   31,184   35,580 Total revenues$  1,404,336 $  1,169,982	Nine Months Ended December 31,     2021   2020     (Unaudited)     (In thousands)           Revenues recognized over time: $   261,638 $   165,445 Revenues recognized at a point in time:   322,405   304,522 Total revenues recognized under ASC 606   584,043   469,967           Revenues recognized under ASC 842   3,701,695   2,780,668 Revenues recognized under ASC 944   152,745   145,597 Revenues recognized under ASC 320   102,963   85,895 Total revenues$  4,541,446 $  3,482,127
Next five years and thereafter revenue		Year Ending December 31,     2022   2023   2024   2025   2026   Thereafter     (Unaudited)     (In thousands)                           Self-moving equipment rentals $ 5,175 $ – $ – $ – $ – $ – Property lease revenues   16,211   12,024   8,610   6,450   5,286   48,888 Total$ 21,386 $ 12,024 $ 8,610 $ 6,450 $ 5,286 $ 48,888