Long-Term Debt and Capital Lease Obligations (Details)			3 Months Ended
	Jan. 31, 2017 USD ($)	Nov. 30, 2015 USD ($) lender	Mar. 31, 2017 USD ($)	Jul. 01, 2016 USD ($) Payments	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)
Debt Instrument [Line Items]
Current portion of long-term debt			$ 10,783,000		$ 18,339,000
Other assets			14,731,000		$ 18,383,000
New Credit Agreement
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity		$ 175,000,000
Additional number of lenders | lender		5
Additional borrowing amount		$ 75,000,000
Borrowings	$ 69,375,000
CoCo Debt
Debt Instrument [Line Items]
Long-term Debt			16,922,000
Current portion of long-term debt			6,766,000
Other assets			16,922,000
Other assets, current			6,766,000
Subordinated Debt | Other note payable
Debt Instrument [Line Items]
Long-term Debt				$ 3,838,000
Number of installment payments | Payments				7
Debt instrument, periodic payment			$ 552,000
Stated finance charge rate			3.00%	2.19%
Minimum | New Credit Agreement
Debt Instrument [Line Items]
Fixed charge coverage ratio		1.25
Line Of Credit Facility, Dividend Restrictions Threshold		$ 10,000,000
Unused borrowing capacity, fee		0.20%
Maximum | New Credit Agreement
Debt Instrument [Line Items]
Leverage ratio		3.00
Unused borrowing capacity, fee		0.375%
Credit Agreement Two | Subordinated Debt | Other note payable
Debt Instrument [Line Items]
Long-term Debt			$ 0
Letters of Credit | New Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 15,000,000
Letters of Credit | Line of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000
Letters of Credit | Minimum | New Credit Agreement
Debt Instrument [Line Items]
Debt issuance costs, fee		1.50%
Letters of Credit | Minimum | Line of Credit [Member]
Debt Instrument [Line Items]
Debt issuance costs, fee	1.50%
Letters of Credit | Maximum | New Credit Agreement
Debt Instrument [Line Items]
Debt issuance costs, fee		2.25%
Letters of Credit | Maximum | Line of Credit [Member]
Debt Instrument [Line Items]
Debt issuance costs, fee	2.75%
Revolving Credit Facility | New Credit Agreement
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity		$ 100,000,000
Revolving Credit Facility | Line of Credit [Member]
Debt Instrument [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 250,000,000
Line of Credit Facility, Remaining Borrowing Capacity			86,306,000
Additional borrowing amount	75,000,000
Borrowings	$ 54,375,000		65,375,000
Debt instrument, fee amount			755,000
Revolving Credit Facility | Minimum | Line of Credit [Member]
Debt Instrument [Line Items]
Fixed charge coverage ratio	1.25
Unused borrowing capacity, fee	0.20%
Revolving Credit Facility | Maximum | Line of Credit [Member]
Debt Instrument [Line Items]
Leverage ratio	3.00
Unused borrowing capacity, fee	0.50%
Term Loan | New Credit Agreement
Debt Instrument [Line Items]
Debt term		5 years
Debt instrument, amount		$ 75,000,000
Debt Instrument, Percent Of Outstanding Amount, Payable Quarterly		1.875%
Debt instrument, covenant compliance, conditional term rate one		50.00%
Debt instrument, covenant compliance, conditional term rate two		0.00%
Debt instrument, covenant compliance, conditional term rate based on net cash proceeds from asset sales subject to certain reinvestment rights		100.00%
Debt instrument, covenant compliance, conditional term rate based on net cash proceeds from issuance of debt other than debt permitted under credit facility		100.00%
Debt instrument, covenant compliance, conditional term rate based on net cash proceeds from events of loss subject to certain reinvestments rights		100.00%
Base Rate | Minimum | New Credit Agreement
Debt Instrument [Line Items]
Variable rate of debt		0.50%
Base Rate | Maximum | New Credit Agreement
Debt Instrument [Line Items]
Variable rate of debt		1.25%
Base Rate | Revolving Credit Facility | Minimum | Line of Credit [Member]
Debt Instrument [Line Items]
Variable rate of debt	0.50%
Base Rate | Revolving Credit Facility | Maximum | Line of Credit [Member]
Debt Instrument [Line Items]
Variable rate of debt	1.75%
LIBOR | Minimum | New Credit Agreement
Debt Instrument [Line Items]
Variable rate of debt		1.50%
LIBOR | Maximum | New Credit Agreement
Debt Instrument [Line Items]
Variable rate of debt		2.25%
LIBOR | Revolving Credit Facility | Minimum | Line of Credit [Member]
Debt Instrument [Line Items]
Variable rate of debt	1.50%
LIBOR | Revolving Credit Facility | Maximum | Line of Credit [Member]
Debt Instrument [Line Items]
Variable rate of debt	2.75%
Oil and Gas
Debt Instrument [Line Items]
Second cash payment		$ 7,500,000
Business Combination, Net Working Capital Adjustment		2,957,000				$ 2,354,000
Oil and Gas | New Credit Agreement
Debt Instrument [Line Items]
Borrowings		102,000,000
Oil and Gas | Revolving Credit Facility | New Credit Agreement
Debt Instrument [Line Items]
Borrowings		27,000,000
Debt instrument, fee amount			$ 2,278,000
Oil and Gas | Term Loan | New Credit Agreement
Debt Instrument [Line Items]
Debt instrument, stated interest rate			2.1056%
Borrowings		$ 75,000,000
Debt instrument, effective rate			2.15%
Caltrop [Member] [Domain]
Debt Instrument [Line Items]
Second cash payment			$ 8,500,000
Business Combination, Net Working Capital Adjustment			$ 3,367,000