Quarterly report pursuant to Section 13 or 15(d)

Litigation, Other Contingencies and Guarantees (Narrative) (Details)

v3.7.0.1
Litigation, Other Contingencies and Guarantees (Narrative) (Details)
$ in Thousands
Apr. 29, 2017
USD ($)
Loss Contingencies [Line Items]  
Recorded Best Estimate Environmental Liabilities $ 24,000
Class Action Securities Litigation - Amount to be Funded by Insurance [Member]  
Loss Contingencies [Line Items]  
Estimated Litigation Liability 97,500
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
Minimum [Member]  
Loss Contingencies [Line Items]  
Estimate Potential Environmental Liabilities 20,000
Maximum [Member]  
Loss Contingencies [Line Items]  
Estimate Potential Environmental Liabilities $ 25,000