Annual report pursuant to Section 13 and 15(d)

Quarterly Results (Detail)

v3.7.0.1
Quarterly Results (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Apr. 30, 2017
Jan. 31, 2017
Oct. 31, 2016
Jul. 31, 2016
Apr. 30, 2016
Jan. 31, 2016
Oct. 31, 2015
Jul. 31, 2015
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2015
Quarterly Financial Information [Line Items]                      
Fee revenue $ 406,065 $ 381,918 $ 401,917 $ 375,621 $ 399,960 $ 344,158 $ 280,600 $ 267,394 $ 1,565,521 $ 1,292,112 $ 1,028,152
Operating income (loss) 32,834 30,542 46,548 4,516 4,842 (14,067) 29,013 32,904 114,440 52,692 114,028
Net income (loss) 27,736 24,378 31,056 4,068 6,375 (15,995) 17,971 23,082 87,238 31,433 88,357
Net income (loss) attributable to Korn/Ferry International $ 26,924 $ 23,897 $ 30,152 $ 3,208 $ 5,855 $ (15,995) $ 17,971 $ 23,082 $ 84,181 $ 30,913 $ 88,357
Basic $ 0.48 $ 0.42 $ 0.53 $ 0.06 $ 0.10 $ (0.30) $ 0.36 $ 0.46 $ 1.48 $ 0.58 $ 1.78
Diluted $ 0.47 $ 0.42 $ 0.52 $ 0.06 $ 0.10 $ (0.30) $ 0.35 $ 0.46 $ 1.47 $ 0.58 $ 1.76