Property, Plant and Equipment (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
| Property, Plant and Equipment [Line Items] |
|
|
|
|
| Document Period End Date |
|
Mar. 31, 2020
|
|
|
| Asset Retirement Obligation |
|
$ 12,514
|
$ 12,386
|
$ 11,639
|
| Asset Retirement Obligation, Liabilities Incurred |
|
94
|
1,033
|
|
| Asset Retirement Obligation, Liabilities Settled |
|
(168)
|
|
|
| Asset Retirement Obligation, Accretion Expense |
|
453
|
385
|
|
| Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) |
|
(251)
|
(671)
|
|
| Land |
[1] |
65,994
|
63,522
|
|
| Buildings and Improvements, Gross |
|
531,267
|
480,359
|
|
| Machinery and Equipment, Gross |
|
682,488
|
656,956
|
|
| Capitalized Computer Software, Gross |
|
181,112
|
169,711
|
|
| Materials, Supplies, and Other |
|
508,593
|
483,080
|
|
| Construction in Progress, Gross |
[1] |
159,731
|
133,689
|
|
| Property, Plant and Equipment, Gross |
|
2,129,185
|
1,987,317
|
|
| Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |
|
(1,017,330)
|
(955,735)
|
|
| Property, Plant and Equipment, Net |
|
1,111,855
|
1,031,582
|
|
| Depreciation |
|
$ 122,707
|
127,174
|
$ 108,137
|
| Operating Leases, Future Minimum Payments Due, Current |
|
|
24,008
|
|
| Operating Leases, Future Minimum Payments, Due Thereafter |
|
|
93,939
|
|
| Operating Leases, Future Minimum Payments Due |
|
|
$ 162,360
|
|
|
|