Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Apr. 30, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 2,919	$ 1,755
Restricted cash	76	76
Accounts receivable-trade, net of allowance for doubtful accounts of $1,350 and $1,332	54,277	48,689
Refundable income taxes	791	128
Prepaid expenses	7,367	5,711
Inventory	3,665	3,494
Deferred income taxes	3,461	3,730
Other current assets	1,018	901
Current assets of discontinued operations	257	61
Total current assets	73,831	64,545
Property, plant and equipment, net of accumulated depreciation and amortization of $656,257 and $645,567	424,772	422,502
Goodwill	115,928	115,928
Intangible assets, net	11,152	11,674
Restricted assets	538	545
Notes receivable-related party	148	147
Investments in unconsolidated entities	19,225	20,252
Other non-current assets	27,407	27,526
Non-current assets of discontinued operations	1,743
Total assets	674,744	663,119
CURRENT LIABILITIES:
Current maturities of long-term debt and capital leases	427	857
Current maturities of financing lease obligations	367	361
Accounts payable	52,252	51,974
Accrued payroll and related expenses	3,844	3,983
Accrued interest	12,953	6,074
Current accrued capping, closure and post-closure costs	5,939	3,835
Other accrued liabilities	21,991	21,014
Total current liabilities	97,773	88,098
Long-term debt and capital leases, less current maturities	496,988	493,531
Financing lease obligations, less current maturities	1,363	1,456
Accrued capping, closure and post-closure costs, less current portion	38,810	39,335
Deferred income taxes	6,852	6,798
Other long-term liabilities	17,101	18,450
COMMITMENTS AND CONTINGENCIES
Casella Waste Systems, Inc. stockholders' equity:
Additional paid-in capital	336,543	335,857
Accumulated deficit	(324,568)	(324,377)
Accumulated other comprehensive loss	(717)	(592)
Total Casella Waste Systems, Inc. stockholders' equity	11,657	11,285
Noncontrolling interests	4,200	4,166
Total stockholders' equity	15,857	15,451
Total liabilities and stockholders' equity	674,744	663,119
Class A Common Stock [Member]
Casella Waste Systems, Inc. stockholders' equity:
Common stock	389	387
Total stockholders' equity	389	387
Class B Common Stock [Member]
Casella Waste Systems, Inc. stockholders' equity:
Common stock	10	10
Total stockholders' equity	$ 10	$ 10