v3.25.2
Segment Information - Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jan. 31, 2023
Jul. 31, 2022
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2023
Segment Reporting Information [Line Items]          
Revenue, net     $ 1,677,609 $ 1,872,987 $ 2,019,900
Cost of sales     431,380 579,722 692,541
Amortization of intangible assets     51,822 55,994 84,881
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Corporate expenses     (179,882) (185,456) (171,926)
Impairment of goodwill     0 (108,449) (99,800)
Restructuring and related charges     (25,561) (63,041) (49,389)
Interest expense     (52,547) (49,003) (37,745)
Net foreign exchange transaction losses     (8,142) (2,959) 894
Net loss on sale of businesses, assets, and impairment charges related to assets held-for-sale     (23,340) (183,389) 10,177
Other income (expense), net     5,498 (3,957) 3,884
Legal settlement $ (3,700)       (3,671)
Accelerated amortization of an intangible asset         (4,594)
Income (loss) before taxes     142,878 (187,047) 33,100
Accelerated amortization of intangible assets   $ 4,600      
Depreciation and amortization     147,126 176,989 213,253
Research          
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Impairment of goodwill       0  
Learning          
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Impairment of goodwill       0  
Held for Sale or Sold          
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Impairment of goodwill       (108,449)  
Operating Segments          
Segment Reporting Information [Line Items]          
Revenue, net     1,677,609 1,872,987 2,019,900
Cost of sales     431,380 579,722 692,541
Direct expenses     489,053 517,033 541,387
Allocated Corporate expenses     278,502 311,031 320,536
Amortization of intangible assets     51,822 55,994 80,166
Adjusted Operating Income by segment     426,852 409,207 385,270
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Depreciation and amortization     133,202 154,555 196,791
Operating Segments | Research          
Segment Reporting Information [Line Items]          
Revenue, net     1,075,459 1,042,705 1,080,311
Cost of sales     278,867 281,109 286,361
Direct expenses     336,484 323,392 312,383
Allocated Corporate expenses     160,959 155,495 151,348
Amortization of intangible assets     43,569 44,946 46,235
Adjusted Operating Income by segment     255,580 237,763 283,984
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Depreciation and amortization     89,302 93,422 93,008
Operating Segments | Learning          
Segment Reporting Information [Line Items]          
Revenue, net     584,768 574,739 546,395
Cost of sales     144,758 145,054 148,925
Direct expenses     142,204 145,514 157,694
Allocated Corporate expenses     114,703 132,394 130,654
Amortization of intangible assets     8,253 9,044 9,022
Adjusted Operating Income by segment     174,850 142,733 100,100
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Depreciation and amortization     43,900 57,696 57,698
Operating Segments | Held for Sale or Sold          
Segment Reporting Information [Line Items]          
Revenue, net     17,382 255,543 393,194
Cost of sales     7,755 153,559 257,255
Direct expenses     10,365 48,127 71,310
Allocated Corporate expenses     2,840 23,142 38,534
Amortization of intangible assets     0 2,004 24,909
Adjusted Operating Income by segment     (3,578) 28,711 1,186
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Depreciation and amortization     0 3,437 46,085
Corporate expenses          
Reconciliation of Adjusted Operating Income by segment to Loss before taxes          
Depreciation and amortization     $ 13,924 $ 22,434 $ 16,462