Litigation, Other Contingencies and Guarantees (Narrative) (Details) $ in Thousands |
Oct. 29, 2016
USD ($)
|
|---|---|
| Loss Contingencies [Line Items] | |
| Recorded Best Estimate Environmental Liabilities | $ 24,000 |
| ERISA Class Action Litigation [Member] | |
| Loss Contingencies [Line Items] | |
| Estimated Litigation Liability | 4,500 |
| Employment Class Action Litigation [Member] | |
| Loss Contingencies [Line Items] | |
| Estimated Litigation Liability | 6,750 |
| Pricing Class Action Litigation [Member] | |
| Loss Contingencies [Line Items] | |
| Estimated Litigation Liability | 50,000 |
| Minimum [Member] | |
| Loss Contingencies [Line Items] | |
| Estimate Potential Environmental Liabilities | 20,000 |
| Maximum [Member] | |
| Loss Contingencies [Line Items] | |
| Estimate Potential Environmental Liabilities | $ 26,000 |