DISCONTINUED OPERATIONS (Details) - Pueblo Colorado gravel operations		3 Months Ended
	Sep. 15, 2016 USD ($) T	Oct. 01, 2016 USD ($)	Sep. 27, 2014 USD ($) T
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sand and gravel reserves (in tons) | T	50,000,000
Royalty overpayments	$ 1,282,000
Write off of prepaid royalties		$ 632,000
Sand and gravel tons paid for | T			17,700,000
Overpayment of sand and gravel reserve			$ 50,000,000
Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Quarterly royalty payment	$ 300,000