Divestitures - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 04, 2019	Mar. 31, 2019	Apr. 01, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposition of assets		$ 2,739	$ 0
Notes Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Receivable with imputed interest, face amount	$ 10,500
Financing receivables, payments to be received in next twelve months		2,100
Notes receivable, fair value disclosure	7,600
Financing receivable, net		7,800
Financing receivables, payments to be received in year two		2,100
Financing receivables, payments to be received in year three		2,100
Financing receivables, payments to be received in year four		2,100
Financing receivables, payments to be received in year five		2,100
Notes Receivable | Accounts Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Financing receivable, net		1,900
Notes Receivable | Other Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Financing receivable, net		5,900
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, consideration	12,600
Gain (loss) on disposition of assets	$ 2,700
Disposal group, including discontinued operation, assets		$ 9,700