Derivative Instruments and Hedging Activities (Fair Value Of Outstanding Designated And Undesignated Derivative Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Oct. 01, 2016
Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 5,906	$ 149
Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	57	711
Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1,558	149
Designated Hedge Derivatives[Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	5,825	149
Designated Hedge Derivatives[Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	57	633
Designated Hedge Derivatives[Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1,558
Designated Hedge Derivatives[Member] | Cash Flow Hedging [Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	57
Designated Hedge Derivatives[Member] | Interest Rate Swap [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	4,267
Designated Hedge Derivatives[Member] | Interest Rate Swap [Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	0
Derivatives Not Designated As Hedges [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	81	0
Derivatives Not Designated As Hedges [Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 0	$ 78