Retirement Benefit Plans Defined Benefit Plans (Details) - Pension Plans, Defined Benefit [Member] $ in Thousands	1 Months Ended	12 Months Ended
	Jul. 31, 2011 USD ($)	Jan. 01, 2017 USD ($) Pension_Plans	Jan. 03, 2016 USD ($)	Dec. 28, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plans, Number of Plans | Pension_Plans		2
Defined Benefit Plan, Amortization of Prior Service Cost		$ 0
Defined Benefit Plan, Accumulated Benefit Obligation		3,609	$ 3,809
Defined Benefit Plan, Fair Value of Plan Assets		2,641	2,699
General and Administrative Expense [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension Expense		$ 177	$ 149	$ 126
Arby's Restaurant Group, Inc [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Proceeds Received from Buyer for Unfunded Liability	$ 400