v3.6.0.2

Basis of Presentation and Significant Accounting Policies (Narrative) (Details) |  | 12 Months Ended
--- | --- | ---
Dec. 01, 2016 $ / shares | Dec. 03, 2016 USD ($) segment $ / shares | Nov. 28, 2015 USD ($) $ / shares | Nov. 29, 2014 USD ($)
Principles of Consolidation |  |  |  |
Number of segments | segment |  | 3 |  |
Business Combinations [Abstract] |  |  |  |
Common stock, par value (in USD per share) | $ / shares |  | $ 1 | $ 1 |
Accounting Period |  |  |  |
Number of days in the reporting period |  | 371 days | 364 days | 364 days
Foreign Currency Translation and Transactions |  |  |  |
Foreign currency transaction gain (loss) |  | $ 672,000 | $ (215,000) | $ 1,251,000
Cash and Cash Equivalents and Restricted Cash |  |  |  |
Restricted cash, current |  | 143,000 | 0 |
Restricted cash, noncurrent |  | 1,294,000 | 1,294,000 |
Property, Plant and Equipment |  |  |  |
Asset held for sale |  | 533,000 | 533,000 |
Asset Impairment Charges [Abstract] |  |  |  |
Impairment charges |  | $ 0 | 0 | 0
Stock-based Compensation |  |  |  |
Recognition period of compensation expenses from date of grant (in years) |  | 4 years |  |
Revenue Recognition |  |  |  |
Revenue recognized under percentage of completion method |  | $ 37,075,000 | 42,338,000 | 35,537,000
Research and Development Expense |  |  |  |
Research and development expense |  | 26,345,000 | 21,650,000 | $ 18,102,000
Guarantees |  |  |  |
Letters of credit outstanding, amount |  | 18,191,000 | 24,581,000 |
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |  |  |  |
Unamortized debt issuance cost |  | 1,988,000 | $ 2,756,000 |
Billings in Excess of Cost |  | $ 2,167,000 |  |
Patents [Member] | Weighted Average [Member] |  |  |  |
Goodwill and Acquired Intangible Assets |  |  |  |
Useful life of intangible assets (in years) |  | 14 years |  |
Other Acquired Intangibles [Member] | Minimum [Member] |  |  |  |
Goodwill and Acquired Intangible Assets |  |  |  |
Useful life of intangible assets (in years) |  | 1 year |  |
Other Acquired Intangibles [Member] | Maximum [Member] |  |  |  |
Goodwill and Acquired Intangible Assets |  |  |  |
Useful life of intangible assets (in years) |  | 30 years |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Useful life of property, plant and equipment (in years) |  | 15 years |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Useful life of property, plant and equipment (in years) |  | 40 years |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Useful life of property, plant and equipment (in years) |  | 3 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Useful life of property, plant and equipment (in years) |  | 15 years |  |
Parker-Hannifin Corporation [Member] |  |  |  |
Business Combinations [Abstract] |  |  |  |
Common stock, par value (in USD per share) | $ / shares | $ 1.00 |  |  |
Common stock conversion price (USD per share) | $ / shares | $ 83.00 |  |  |

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