Fair Value Measurements (Tables)

12 Months Ended

Nov. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Valuation of Investments and Financial Instruments Measured at Fair Value on Recurring Basis

The following table summarizes the valuation of the Company’s investments and financial instruments that are measured at fair value on a recurring basis:

	As of November 30, 2019								As of November 30, 2018
			Fair value measurement category								Fair value measurement category
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	37,760	$	37,760	$	—	$	—	$	108,785	$	108,785	$	—	$	—
Marketable equity securities		2,834		2,834		—		—		5,492		5,492		—		—
Foreign government bond		1,228		1,228		—		—		1,104		1,104		—		—
Forward foreign currency exchange contracts		26,280		—		26,280		—		16,485		—		16,485		—
Interest rate swaps		515		—		515		—		9,388		—		9,388		—
Liabilities:
Contingent consideration payable	$	—	$	—	$	—	$	—	$	33,098	$	—	$	—	$	33,098
Forward foreign currency exchange contracts		4,270		—		4,270		—		14,162		—		14,162		—
Interest rate swaps		83,428		—		83,428		—		9,004		—		9,004		—
Convertible debentures conversion option		—		—		—		—		77,238		—		—		77,238