Severance And Related Costs (Summary Of Severance Charges On Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Mar. 29, 2014	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Total severance and related costs	$ 592	$ 4,844
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Total severance and related costs		3,138
Employee Severance [Member] | Accrued Payroll And Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total severance and related costs		1,240
Employee Severance [Member] | Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Total severance and related costs		38
Employee Severance [Member] | Defined Benefit Pension Plan Obligation [Member]
Restructuring Cost and Reserve [Line Items]
Total severance and related costs		83
Employee Severance [Member] | Other Long-term Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Total severance and related costs		$ 1,777