Fair Value Measurements - Schedule of Valuation of Investments and Financial Instruments Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2018
Assets:
Cash equivalents	$ 37,760	$ 108,785
Marketable equity securities	2,834	5,492
Foreign government bond	1,228	1,104
Forward foreign currency exchange contracts	26,280	16,485
Interest Rate Derivative Assets, at Fair Value	515	9,388
Liabilities:
Contingent consideration payable	0	33,098
Forward foreign currency exchange contracts	4,270	14,162
Interest Rate Derivative Liabilities, at Fair Value	83,428	9,004
Convertible debentures conversion option	0	77,238
Level 1
Assets:
Cash equivalents	37,760	108,785
Marketable equity securities	2,834	5,492
Foreign government bond	1,228	1,104
Forward foreign currency exchange contracts	0	0
Interest Rate Derivative Assets, at Fair Value	0	0
Liabilities:
Contingent consideration payable	0	0
Forward foreign currency exchange contracts	0	0
Interest Rate Derivative Liabilities, at Fair Value	0	0
Convertible debentures conversion option	0	0
Level 2
Assets:
Cash equivalents	0	0
Marketable equity securities	0	0
Foreign government bond	0	0
Forward foreign currency exchange contracts	26,280	16,485
Interest Rate Derivative Assets, at Fair Value	515	9,388
Liabilities:
Contingent consideration payable	0	0
Forward foreign currency exchange contracts	4,270	14,162
Interest Rate Derivative Liabilities, at Fair Value	83,428	9,004
Convertible debentures conversion option	0	0
Level 3
Assets:
Cash equivalents	0	0
Marketable equity securities	0	0
Foreign government bond	0	0
Forward foreign currency exchange contracts	0	0
Interest Rate Derivative Assets, at Fair Value	0	0
Liabilities:
Contingent consideration payable	0	33,098
Forward foreign currency exchange contracts	0	0
Interest Rate Derivative Liabilities, at Fair Value	0	0
Convertible debentures conversion option	$ 0	$ 77,238