Revenues (Timing Of Performance Obligation) (Narrative) (Details) - Defense [Member] - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-07-02	Sep. 30, 2018
Minimum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Fulfullment period of unsatisfied performance obligations	18 months
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Fulfullment period of unsatisfied performance obligations	24 months