Consolidated Balance Sheets Parenthetical - USD ($) shares in Thousands, $ in Thousands	Nov. 30, 2018	Dec. 01, 2017
Current Assets:
Allowance for doubtful accounts receivable, current	$ 14,981	$ 9,151
Stockholders' Equity:
Preferred stock, par or stated value per share	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	2,000	2,000
Preferred stock, shares issued	0	0
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	900,000	900,000
Common stock, shares issued	600,834	600,834
Common stock, shares outstanding	487,663	491,262
Treasury Stock, Shares	113,171	109,572

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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