Derivatives and Fair Value Measurements (Details) (USD $) | 3 Months Ended | |
Dec. 27, 2014 | Dec. 28, 2013 | Sep. 27, 2014 |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Change in fair value of contingent consideration | $65,000 | $0 | |
Accrued contingent consideration | 3,600,000 | | |
Deferred Tax Liabilities [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Derivatives related to interest rate swap agreements | -171,000 | | -168,000 |
Other Liabilities [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Derivatives related to interest rate swap agreements | -444,000 | | -437,000 |
Accumulated Other Comprehensive Loss [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Derivatives related to interest rate swap agreements | -273,000 | | -269,000 |
Maturity Date 9/9/2016 [Member] | | | |
Interest Rate Derivatives [Abstract] | | | |
Notational Amount | 15,000,000 | | |
Fixed LIBOR Rate | 1.17% | | |
Maturity Date 9/11/2017 [Member] | | | |
Interest Rate Derivatives [Abstract] | | | |
Notational Amount | 15,000,000 | | |
Fixed LIBOR Rate | 1.65% | | |
Maturity Date 9/19/2016 [Member] | | | |
Interest Rate Derivatives [Abstract] | | | |
Notational Amount | 15,000,000 | | |
Fixed LIBOR Rate | 1.00% | | |
Maturity Date 9/19/2017 [Member] | | | |
Interest Rate Derivatives [Abstract] | | | |
Notational Amount | 15,000,000 | | |
Fixed LIBOR Rate | 1.45% | | |
Fair Value, Measurements, Recurring [Member] | Interest Rate Swaps [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | -444,000 | | -438,000 |
Fair Value, Measurements, Recurring [Member] | Contingent Consideration Contract [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | -3,665,000 | | -3,600,000 |
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Swaps [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | 0 | | 0 |
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Contingent Consideration Contract [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | 0 | | 0 |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swaps [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | -444,000 | | -438,000 |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Contingent Consideration Contract [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | 0 | | 0 |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Swaps [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | 0 | | 0 |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Contingent Consideration Contract [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract] | | | |
Financial derivative liabilities, fair value | ($3,665,000) | | ($3,600,000) |