CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Apr. 30, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 1,112	$ 4,534
Restricted cash	76	76
Accounts receivable - trade, net of allowance for doubtful accounts of $1,513 and $740	50,425	47,472
Refundable income taxes	1,209	1,281
Prepaid expenses	8,961	6,077
Inventory	3,923	3,595
Deferred income taxes	3,253	3,712
Other current assets	854	609
Total current assets	69,813	67,356
Property, plant and equipment, net of accumulated depreciation and amortization of $636,868 and $593,206	428,452	416,717
Goodwill	116,281	101,706
Intangible assets, net	11,979	2,970
Restricted assets	523	424
Notes receivable - related party/employee	516	722
Investments in unconsolidated entities	19,431	22,781
Other non-current assets	26,158	21,067
Total non-current assets	603,340	566,387
Total assets	673,153	633,743
CURRENT LIABILITIES:
Current maturities of long-term debt and capital leases	992	1,228
Current maturities of financing lease obligations	355	338
Accounts payable	47,695	46,709
Accrued payroll and related expenses	4,354	4,142
Accrued interest	12,702	9,803
Current accrued capping, closure and post-closure costs	4,903	4,907
Other accrued liabilities	27,590	21,208
Total current liabilities	98,591	88,335
Long-term debt and capital leases, less current maturities	490,686	473,381
Financing lease obligations, less current maturities	1,549	1,818
Accrued capping, closure and post-closure costs, less current portion	37,681	34,722
Deferred income taxes	5,958	5,336
Other long-term liabilities	11,753	11,920
COMMITMENTS AND CONTINGENCIES
Casella Waste Systems, Inc. stockholders' equity:
Additional paid-in capital	335,451	288,348
Accumulated deficit	(310,982)	(270,235)
Accumulated other comprehensive loss	(619)	(1,952)
Total Casella Waste Systems, Inc. stockholders' equity	24,247	16,431
Noncontrolling interest	2,688	1,800
Total stockholders' equity	26,935	18,231
Total liabilities and stockholders' equity	673,153	633,743
Class A Common Stock [Member]
Casella Waste Systems, Inc. stockholders' equity:
Common stock	387	260
Total stockholders' equity	387	260
Class B Common Stock [Member]
Casella Waste Systems, Inc. stockholders' equity:
Common stock	10	10
Total stockholders' equity	$ 10	$ 10