Net Income Per Share - Summary of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Basic net income per share:
Basic weighted-average shares	28,077	20,011	28,075	20,009
Basic net income per share	$ 0.12	$ 0.50	$ 0.15	$ 0.77
Diluted net income per share:
Basic weighted-average shares	28,077	20,011	28,075	20,009
Effect of dilutive securities:
Diluted weighted-average shares	43,577	35,511	43,575	35,509
Diluted net income per share	$ 0.12	$ 0.50	$ 0.15	$ 0.77
Class A shares
Basic net income per share:
Net income attributable to Class A shareholders	$ 3,386	$ 10,022	$ 4,247	$ 15,330
Diluted net income per share:
Net income attributable to Class A shareholders	3,386	10,022	4,247	15,330
Add: Additional net income attributable to Class A shares due to increased percentage ownership in OpCo, net of tax, from the conversion of Class B shares	1,904	7,801	2,422	11,912
Total	$ 5,290	$ 17,823	$ 6,669	$ 27,242
Class B shares
Effect of dilutive securities:
Class B shares	15,500	15,500	15,500	15,500