Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 10, 2016	Sep. 12, 2015	Sep. 10, 2016	Sep. 12, 2015
Revenues
Product revenues	$ 27,182	$ 32,888	$ 75,582	$ 99,509
Service revenues	54,690	49,797	165,295	150,154
Total revenues	81,872	82,685	240,877	249,663
Operating expenses
Operating costs	61,695	63,499	187,654	197,576
Selling, general, and administrative expenses	10,726	9,872	34,455	31,553
Depreciation and amortization	4,196	4,419	12,442	13,050
Other expense (income) - net	1,439	99	1,238	(153)
Operating income	3,816	4,796	5,088	7,637
Interest expense – net	463	404	1,432	1,366
Income before income taxes	3,353	4,392	3,656	6,271
Provision for income taxes	942	1,637	1,140	2,418
Net income	2,411	2,755	2,516	3,853
Income attributable to noncontrolling interest	76	46	117	115
Net income attributable to Heritage-Crystal Clean, Inc. common stockholders	$ 2,335	$ 2,709	$ 2,399	$ 3,738
Net income per share: basic (in dollars per share)	$ 0.10	$ 0.12	$ 0.11	$ 0.17
Net income per share: diluted (in dollars per share)	$ 0.10	$ 0.12	$ 0.11	$ 0.17
Number of weighted average shares outstanding: basic (in shares)	22,267	22,153	22,246	22,136
Number of weighted average shares outstanding: diluted (in shares)	22,550	22,438	22,417	22,405