Debt and Other Financing Arrangements - Senior Credit Facility (Details) - Line of Credit		6 Months Ended
	Oct. 01, 2018	Jun. 30, 2019 covenant
Debt Instrument [Line Items]
Number of covenants		2
Consolidated fixed charge coverage ratio		2.00
Debt Covenant, Term 1
Debt Instrument [Line Items]
Consolidated net leverage ratio	4.0
Debt Covenant, Term 2
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.75
Debt Covenant, Term 3
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.5
Debt Covenant, Term 4
Debt Instrument [Line Items]
Consolidated net leverage ratio	2.75