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Restructuring Charges (Summary of Restructuring Activity) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Feb. 28, 2014 | Feb. 28, 2013
Restructuring Reserve [Roll Forward] |  |
Costs incurred | $ 196 | $ 960
2013 Restructuring Activities [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 1,646 |
Costs incurred | 159 |
Cash disbursements | (1,231) |
Translation adjustments and other | (3) |
Balance at the end of the period | 571 |
2013 Restructuring Activities [Member] | Excess Facilities and Other Costs [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 569 |
Costs incurred | 152 |
Cash disbursements | (250) |
Translation adjustments and other | (7) |
Balance at the end of the period | 464 |
2013 Restructuring Activities [Member] | Employee Severance and Related Benefits [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 1,077 |
Costs incurred | 7 |
Cash disbursements | (981) |
Translation adjustments and other | 4 |
Balance at the end of the period | 107 |
2012 Restructuring Activities [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 906 |
Costs incurred | 37 |
Cash disbursements | (367) |
Translation adjustments and other | (4) |
Balance at the end of the period | 572 |
2012 Restructuring Activities [Member] | Excess Facilities and Other Costs [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 615 |
Costs incurred | 82 |
Cash disbursements | (192) |
Translation adjustments and other | (6) |
Balance at the end of the period | 499 |
2012 Restructuring Activities [Member] | Employee Severance and Related Benefits [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance at the beginning of the period | 291 |
Costs incurred | (45) |
Cash disbursements | (175) |
Translation adjustments and other | 2 |
Balance at the end of the period | $ 73 |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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