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v3.19.2

Changes in Benefits Obligations and Plan Assets, Pension (Detail) - Pension Benefits - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2019 | May 31, 2019 | May 31, 2018 | May 31, 2017
U.S. Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Benefit obligation at beginning of year |  | $ 617,255 | $ 591,948 |
Service cost |  | 37,528 | 37,859 | $ 37,603
Interest cost |  | 21,987 | 17,518 | 17,323
Benefits paid |  | (45,917) | (34,368) |
Plan amendments |  | 11 |  |
Actuarial (gains)/losses |  | 29,413 | 4,298 |
Benefit Obligation at End of Year |  | 660,277 | 617,255 | 591,948
Balance at Beginning of Period |  | 487,233 | 437,481 |
Actual return on plan assets |  | (2,272) | 30,291 |
Employer contributions | $ 56,500 | 57,821 | 53,829 |
Benefits paid |  | (45,917) | (34,368) |
Balance at End of Period |  | 496,865 | 487,233 | 437,481
(Deficit) of plan assets versus benefit obligations at end of year |  | (163,412) | (130,022) |
Net Amount Recognized |  | (163,412) | (130,022) |
Accumulated Benefit Obligation |  | 553,392 | 510,984 |
Non-U.S. Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Benefit obligation at beginning of year |  | 194,149 | 195,884 |
Service cost |  | 4,693 | 4,620 | 4,070
Interest cost |  | 5,420 | 5,025 | 4,614
Benefits paid |  | (7,488) | (6,545) |
Participant contributions |  | 1,003 | 980 |
Plan amendments |  | (33) | (61) |
Plan settlements/curtailments |  | (607) | (2,984) |
Actuarial (gains)/losses |  | 17,286 | (9,523) |
Premiums paid |  | (97) | (106) |
Currency exchange rate changes |  | (8,359) | 6,859 |
Benefit Obligation at End of Year |  | 205,967 | 194,149 | 195,884
Balance at Beginning of Period |  | 188,960 | 179,928 |
Actual return on plan assets |  | 6,737 | 3,166 |
Employer contributions |  | 6,770 | 7,460 |
Participant contributions |  | 1,003 | 980 |
Benefits paid |  | (7,488) | (6,545) |
Premiums paid |  | (97) | (106) |
Plan settlements/curtailments |  | (580) | (2,267) |
Currency exchange rate changes |  | (8,193) | 6,344 |
Balance at End of Period |  | 187,112 | 188,960 | $ 179,928
(Deficit) of plan assets versus benefit obligations at end of year |  | (18,855) | (5,189) |
Net Amount Recognized |  | (18,855) | (5,189) |
Accumulated Benefit Obligation |  | $ 192,533 | $ 181,462 |

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