CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	May 31, 2014	Nov. 30, 2013
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 5,822	$ 5,145
Common Stock, par value (usd per share)	$ 0.001	$ 0.001
Common Stock, shares authorized	1,200,000,000	1,200,000,000
Common Stock, shares issued	164,336,000	163,169,000
Common Stock, shares outstanding	164,336,000	163,169,000