Income Taxes - Additional Information (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Jun. 24, 2018	Dec. 31, 2017	Jun. 25, 2017	Jun. 26, 2016
Income Taxes [Line Items]
U.S. Federal corporate income tax rate	21.00%	35.00%	28.30%		35.00%	35.00%
Tax benefit as a result of the net change in deferred tax balances			$ 4,297
Tax benefit adjustment to provisional deferred rate			$ 203
Increase in effective tax rate			0.70%
Provisional charge, net of foreign tax credits		$ 3,901	$ 5,430	$ 3,901	$ 789
Adjustment to provision for deferred tax asset				$ 2,301
Deferred tax assets, Increase in effective tax rate				7.60%
Net operating loss			868
Increase (decrease) in valuation allowances due to utilization of prior years net operating losses			(917)
Net operating loss carryforwards subject to expiration			42,721
Capital loss carryforward			1,105		1,746
U.S state net operating loss carryforwards			43,589
Net operating loss carryforward to offset future taxable income					$ 8,426
U.S. Federal Capital Loss Carryforwards [Member]
Income Taxes [Line Items]
Capital loss carryforward			4,489
Net operating loss carryforwards beginning expiration year					2027
Foreign Tax Credits [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount			3,808		$ 789	$ (1,680)
Increase (decrease) in valuation allowances due to utilization of prior years net operating losses			4,640
U.S federal net operating loss carry a full valuation allowance			1,639
U.S. Federal Foreign Tax Credits [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount			3,433
U.S federal net operating loss carry a full valuation allowance			$ 3,791
Net operating loss carryforwards beginning expiration year			2028
Equity method Investment in Parkdale America LLC [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount					(582)	(1,159)
Increase (decrease) in valuation allowances due to utilization of prior years net operating losses			$ 635
Foreign Losses [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount					$ 4,241
Deferred Tax Assets Related to Renewables [Member]
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount						858
U.S. Federal NOL [Member]
Income Taxes [Line Items]
U.S federal net operating loss carry a full valuation allowance			$ 6,914
Net operating loss carryforwards expiration year			2037		2035
U.S federal net operating loss carryforwards			$ 19,511
U.S federal net operating loss carryforwards not subject to expiration			6,930
Net operating loss carryforwards subject to expiration			12,581
State Net Operating Loss Carry Forwards [Member]
Income Taxes [Line Items]
Net operating loss carryforwards expiration year					2022
Earliest Tax Year [Member]
Income Taxes [Line Items]
State deferred tax expense component, utilization of net operating loss carryforwards			116		$ 26	42
Foreign deferred tax expense component, utilization of net operating loss carryforwards			773		756	0
Valuation allowance, deferred tax asset, increase (decrease), amount			2,814		4,407	(2,056)
Unrecognized tax benefits that would impact effective tax rate			130
Unrecognized tax benefits, income tax penalties and interest expense			(1,030)		(42)	(23)
Unrecognized tax benefits, income tax penalties and interest accrued			41		$ 773	$ 279
Undistributed earnings of foreign subsidiaries			113,855
U.S. Federal [Member]
Income Taxes [Line Items]
Net operating loss			843
U.S. Federal [Member] | Earliest Tax Year [Member]
Income Taxes [Line Items]
Open tax year					2013
Foreign Net Operating Loss Carry Forwards [Member]
Income Taxes [Line Items]
U.S federal net operating loss carry a full valuation allowance			$ 9,866
Net operating loss carryforwards beginning expiration year			2019
Net Operating Loss Held Outside U.S Consolidated Tax Filing Group [Member]
Income Taxes [Line Items]
U.S state net operating loss carryforwards			$ 19,192
Net operating loss carryforward to offset future taxable income			$ 12,279
Net Operating Loss Held Outside U.S Consolidated Tax Filing Group [Member] | State Net Operating Loss Carry Forwards [Member]
Income Taxes [Line Items]
Net operating loss carryforwards beginning expiration year					2019
State and Local Jurisdiction [Member] | Earliest Tax Year [Member] | North Carolina Department of Revenue [Member]
Income Taxes [Line Items]
Open tax year					2013
State and Local Jurisdiction [Member] | Latest Tax Year [Member] | North Carolina Department of Revenue [Member]
Income Taxes [Line Items]
Open tax year					2014