Discontinued Operations (Details) $ in Thousands, $ in Thousands	1 Months Ended						12 Months Ended
	Apr. 30, 2017 AUD ($)	Apr. 30, 2017 USD ($)	Mar. 31, 2017 AUD ($)	Mar. 31, 2017 USD ($)	Feb. 28, 2017 AUD ($)	Feb. 28, 2017 USD ($)	Dec. 30, 2017 AUD ($)	Dec. 30, 2017 USD ($)
Dunlop Flooring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses					$ 34,564	$ 26,219
Adjustments to Proceeds from Previous Divestiture	$ 1,334	$ 1,012
Gain (Loss) on Disposition of Business							$ (2,715)	$ (2,083)
Tontine Pillow
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses			$ 13,500	$ 10,363
Adjustments to Proceeds from Previous Divestiture	$ (966)	$ (742)
Gain (Loss) on Disposition of Business							$ 2,415	$ 1,856