Derivatives (Summary of Derivative Instruments) (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	Dec. 27, 2014 Rate
Effective October 3, 2011 through September 1, 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 10,000
Fixed Interest Rate	1.33%
Effective March 1, 2013 through September 1, 2016 [Member]
Derivative [Line Items]
Notional Amount	10,000
Fixed Interest Rate	1.62%
Effective June 1, 2013 through September 1, 2016 [Member]
Derivative [Line Items]
Notional Amount	5,000
Fixed Interest Rate	1.70%
Effective September 1, 2016 through September 1, 2021 [Member]
Derivative [Line Items]
Notional Amount	25,000
Fixed Interest Rate	3.105%
Effective September 1, 2015 through September 1, 2021 [Member]
Derivative [Line Items]
Notional Amount	25,000
Fixed Interest Rate	3.304%
November 7, 2014 through November 7, 2024 [Member]
Derivative [Line Items]
Notional Amount	$ 8,330	[1]
Fixed Interest Rate	4.50%

[1] * Interest rate swap notional amount amortizes by $35 monthly to maturity.