Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 28, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Fiscal 2019								Fiscal 2018
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter (a)		First Quarter		Second Quarter		Third Quarter		Fourth Quarter (a)
	(In thousands, except per share data)
STATEMENT OF OPERATIONS DATA:
Revenues
Service revenues	$	56,366	$	57,936	$	57,220	$	78,969	$	54,137	$	60,014	$	58,054	$	78,057
Product revenues	35,858		41,302		41,964		52,149		29,010		40,289		41,620		49,002
Rental income	3,548		5,762		5,657		7,696		—		—		—		—
Total revenues	$	95,772	$	105,000	$	104,841	$	138,814	$	83,147	$	100,303	$	99,674	$	127,059
Operating expenses
Operating costs	$	82,483	$	78,849	$	80,117	$	108,154	$	68,386	$	76,272	$	76,045	$	102,462
Selling, general, and administrative expenses	12,396		11,042		11,241		15,545		11,022		11,522		10,641		14,529
Depreciation and amortization	4,136		4,061		3,980		6,072		3,643		3,659		3,776		5,079
Other (income) expense - net	(58)		1,514		1,021		11,013		389		341		253		623
Operating (loss) income	(3,185)		9,534		8,482		(1,970)		(293)		8,509		8,959		4,366
Interest expense – net	230		219		180		240		245		240		256		310
(Loss) income before income taxes	$	(3,415)	$	9,315	$	8,302	$	(2,210)	$	(538)	$	8,269	$	8,703	$	4,056
(Benefit of) provision for income taxes	(986)		2,151		2,246		(168)		(436)		2,149		2,284		1,455
Net (loss) income	(2,429)		7,164		6,056		(2,042)		(102)		6,120		6,419		2,601
Less: income attributable to noncontrolling interest	83		108		87		108		18		121		74		97
Net (loss) income attributable to Heritage-Crystal Clean, Inc. common stockholders	$	(2,512)	$	7,056	$	5,969	$	(2,150)	$	(120)	$	5,999	$	6,345	$	2,504
Net (loss) income per share: basic	$	(0.11)	$	0.30	$	0.26	$	(0.09)	$	(0.01)	$	0.26	$	0.28	$	0.11
Net (loss) income per share: diluted	$	(0.11)	$	0.30	$	0.25	$	(0.09)	$	(0.01)	$	0.26	$	0.27	$	0.11
Number of weighted average shares outstanding: basic	23,117		23,137		23,185		23,190		22,962		23,029		23,048		23,056
Number of weighted average shares outstanding: diluted	23,117		23,368		23,421		23,190		22,962		23,361		23,404		23,411
OTHER OPERATING DATA:
Average revenues per working day - Environmental Services	$	1,125	$	1,185	$	1,185	$	1,255	$	970	$	1,090	$	1,090	$	1,130

(a) Reflects a sixteen week quarter.