Commitments And Contingencies Litigation (Details) $ in Thousands	12 Months Ended
Jan. 01, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Litigation Settlement, Expense	$ 1,850

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration