Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References+ Details

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

Restructuring Charges (Narrative) (Details) (USD $)	12 Months Ended
Restructuring Charges (Narrative) (Details) (USD $)	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2009
Restructuring Cost And Reserve [Line Items]
Restructuring charge in noncash stock-based compensation	$ 25,999,000	$ 18,121,000	$ 21,536,000
Short-term restructuring reserves	3,000,000
Long-term restructuring reserves	1,900,000
Q3 2010 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Reduction in global workforce, percentage	7.00%
Total cost associated with restructuring	18,600,000
Restructuring charge in noncash stock-based compensation	200,000
Q1 2010 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Reduction in global workforce, percentage	13.00%
Total cost associated with restructuring	26,000,000
Restructuring charge in noncash stock-based compensation	300,000
Q4 2008 And Q1 2009 Restructuring Plans [Member]
Restructuring Cost And Reserve [Line Items]
Total cost associated with restructuring	$ 11,800,000