Derivative Instruments and Hedging Activities (Narrative) (Details) - Foreign Exchange Contracts [Member] - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Nov. 28, 2015 |
Nov. 29, 2014 |
|
| Fair Value Hedging [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | $ 5,326 | $ 6,013 |
| Not Designated as Hedging Instrument [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 36,259 | 87,440 |
| Not Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 48,797 | |
| De-designated as a Hedging Instrument [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 7,212 | 4,026 |
| Gains on foreign currency contracts | 854 | 2,421 |
| Losses on foreign currency contracts | $ 179 | $ 648 |