Note 5 - Debt and Other Financing Arrangements (Details Textual) - Revolving Credit Facility [Member] - USD ($) $ in Millions |
Jul. 28, 2016 |
Mar. 31, 2018 |
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| Line of Credit Facility, Current Borrowing Capacity | $ 400.0 | |
| Line of Credit Facility, Additional Borrowing Capacity | $ 200.0 | |
| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% | |
| Line of Credit Facility, Expiration Date | Jul. 28, 2021 | |
| Long-term Line of Credit, Total | $ 392.5 | |
| Federal Funds Effective Swap Rate [Member] | ||
| Debt Instrument, Basis Spread on Variable Rate | 0.50% | |
| London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | ||
| Debt Instrument, Basis Spread on Variable Rate | 1.00% | |
| London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | ||
| Debt Instrument, Basis Spread on Variable Rate | 1.75% |
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- Definition The element representing the additional borrowing capacity under a line of credit. No definition available.
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. No definition available.
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