Note 5 - Debt (Details) (USD $) | 3 Months Ended | 0 Months Ended | 1 Months Ended | | | | |
Mar. 31, 2015 | Apr. 02, 2015 | Jul. 31, 2011 | Dec. 31, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2014 |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Prepaid Expense and Other Assets, Current | $15,359,000 | | | $20,434,000 | | | |
Derivative, Fixed Interest Rate | 1.21% | | | | | | |
Effect of Swap Interest Rate Agreement | 3.46% | | | | | | |
Availability Dollar Amount [Member] | ABL Credit Facility [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Line of Credit Facility Covenant Terms Monetary | 30,000,000 | | | | | | |
ABL Credit Facility [Member] | Minimum [Member] | Base Rate [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 0.00% | | | | | | |
ABL Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 1.25% | | | | | | |
ABL Credit Facility [Member] | Maximum [Member] | Base Rate [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 0.25% | | | | | | |
ABL Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | 3.00% | | | | | | |
ABL Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Long-term Line of Credit | | | | | 53,200,000 | | |
ABL Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Long-term Line of Credit | | | | | | 53,200,000 | |
ABL Credit Facility [Member] | Term Loan [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Other Long-term Debt | | | | | | | 44,500,000 |
ABL Credit Facility [Member] | Asset-Based Revolving Credit Facility Due June 30, 2016 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | | | | 315,000,000 |
ABL Credit Facility [Member] | Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | 365,000,000 | | | | | | |
Line of Credit Facility, Current Borrowing Capacity | 365,000,000 | | | | | | |
Line of Credit Facility, Covenant Terms, Percentage of Revolver Commitments | 10.00% | | | | | | |
Balance Required for Compliance with Revolver Commitments | 36,500,000 | | | | | | |
ABL Credit Facility [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Line of Credit Facility, Remaining Borrowing Capacity | 103,000,000 | | | | | | |
Debt Instrument, Periodic Payment, Principal | | 840,000 | | | | | |
Asset-Based Revolving Credit Facility Due June 30, 2019 [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Line of Credit Facility Covenant Terms EBITDA Ratio | 1 | | | | | | |
Minimum [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Derivative Premium Rate | 1.75% | | | | | | |
Maximum [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Derivative Premium Rate | 2.25% | | | | | | |
Chicago Tube and Iron Company Acquisition [Member] | Industrial Revenue Bond [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Business Combination, Consideration Transferred, Liabilities Incurred | | | 5,900,000 | | | | |
Debt Instrument, Interest Rate, Effective Percentage | 0.14% | | | | | | |
Amortized Banking Fees [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Prepaid Expense and Other Assets, Current | 3,300,000 | | | | | | |
Interest Rate Swap [Member] | | | | | | | |
Note 5 - Debt (Details) [Line Items] | | | | | | | |
Long-term Line of Credit | 37,900,000 | | | | | | |
Fixed Rate Interest Hedge, Notional Monthly Decrease | $729,000 | | | | | | |