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Fair Value Measurements (Tables)

9 Months Ended

Aug. 31, 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 August 31, 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		$	48,482			$	48,482			$	—			$	—			$	108,785			$	108,785			$	—			$	—
Marketable equity securities			2,465				2,465				—				—				5,492				5,492				—				—
Foreign government bond			1,123				1,123				—				—				1,104				1,104				—				—
Forward foreign currency exchange contracts			17,289				—				17,289				—				16,485				—				16,485				—
Interest rate swaps			535				—				535				—				9,388				—				9,388				—
Liabilities:
Contingent consideration payable		$	—			$	—			$	—			$	—			$	33,098			$	—			$	—			$	33,098
Forward foreign currency exchange contracts			12,908				—				12,908				—				14,162				—				14,162				—
Interest rate swaps			103,032				—				103,032				—				9,004				—				9,004				—
Convertible debentures conversion option			32				—				—				32				77,238				—				—				77,238