Nominal or face amount used to calculate payments on the derivative liability.

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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Number of interest rate derivative instruments held by the entity at the reporting date.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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Payments for fees to terminate cash flow hedge

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Fair Value Measurements Derivative Instruments (Details) $ in Thousands	1 Months Ended	3 Months Ended	5 Months Ended	12 Months Ended
	May 31, 2015 USD ($)	Jun. 28, 2015 USD ($)	May 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2017 USD ($)	Jan. 03, 2016 USD ($) cash_flow_hedge
Derivatives, Fair Value
Number of Interest Rate Derivatives Held \| cash_flow_hedge						7
Payments for termination of cash flow hedge, Operating				$ 0	$ 0	$ 7,337
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (7,275)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net			$ 0
Interest Expense
Derivatives, Fair Value
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax				$ 2,894	$ 2,894	1,487
Interest Rate Swap
Derivatives, Fair Value
Payments for termination of cash flow hedge, Operating	$ 7,275
Payments for fees to terminate cash flow hedge		$ 62
Term A Loan, 2018 \| Interest Rate Swap \| Cash Flow Hedging
Derivatives, Fair Value
Derivative Liability, Notional Amount						350,000
Term B Loan, 2019 \| Interest Rate Swap \| Cash Flow Hedging
Derivatives, Fair Value
Derivative Liability, Notional Amount						$ 100,000