Goodwill and Intangible Assets Goodwill Rollforward (Details) - USD ($)
$ in Thousands |
12 Months Ended |
|
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
| Goodwill [Line Items] |
|
|
|
| Goodwill |
$ 2,356,085
|
$ 2,322,928
|
$ 2,433,784
|
| Goodwill, Other Increase (Decrease) |
(199)
|
|
|
| goodwill acquired or allocated member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Acquired During Period |
74,531
|
3,232
|
|
| Foreign Currency Gain (Loss) [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Foreign Currency Translation Gain (Loss) |
(41,175)
|
(114,088)
|
|
| Healthcare Specialty Services [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill |
368,259
|
374,910
|
388,025
|
| Goodwill, Other Increase (Decrease) |
(199)
|
|
|
| Healthcare Specialty Services [Member] | goodwill acquired or allocated member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Acquired During Period |
1,364
|
(907)
|
|
| Healthcare Specialty Services [Member] | Foreign Currency Gain (Loss) [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Foreign Currency Translation Gain (Loss) |
(7,816)
|
(12,208)
|
|
| Life Science Member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill |
148,557
|
147,795
|
148,816
|
| Life Science Member [Member] | goodwill acquired or allocated member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Acquired During Period |
0
|
0
|
|
| Life Science Member [Member] | Foreign Currency Gain (Loss) [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Foreign Currency Translation Gain (Loss) |
762
|
(1,021)
|
|
| Healthcare Products [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill |
459,007
|
397,284
|
404,674
|
| Healthcare Products [Member] | goodwill acquired or allocated member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Acquired During Period |
65,222
|
(1,202)
|
|
| Healthcare Products [Member] | Foreign Currency Gain (Loss) [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Foreign Currency Translation Gain (Loss) |
(3,499)
|
(6,188)
|
|
| Applied Sterilization Technologies [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill |
1,380,262
|
1,402,939
|
$ 1,492,269
|
| Applied Sterilization Technologies [Member] | goodwill acquired or allocated member [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Acquired During Period |
7,945
|
5,341
|
|
| Applied Sterilization Technologies [Member] | Foreign Currency Gain (Loss) [Member] |
|
|
|
| Goodwill [Line Items] |
|
|
|
| Goodwill, Foreign Currency Translation Gain (Loss) |
$ (30,622)
|
$ (94,671)
|
|