Note 11 - Financial Instruments	12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Text Block]	(11) Financial Instruments The FASB issued ASC Topic 815, Derivatives and Hedging (“ASC 815”) which establishes accounting and reporting standards for derivative instruments. ASC 815 requires an entity to recognize all derivatives as either assets or liabilities and measure those instruments at fair value. Derivatives that do not qualify as a hedge must be adjusted to fair value in earnings. If the derivative does qualify as a hedge under ASC 815, changes in the fair value will either be offset against the change in fair value of the hedged assets, liabilities or firm commitments or recognized in accumulated other comprehensive income (loss) until the hedged item is recognized in earnings. The ineffective portion of a hedge’s change in fair value will be immediately recognized in earnings. In August 2008, in order to protect against interest rate exposure on its variable-rate debt, the Company entered into an interest rate swap to fix the interest rate applicable to certain of its variable-rate debt. The agreement swapped one-month LIBOR for a fixed interest rate of 4.36% with a notional amount of $4.8 million as of December 31, 2012. The interest rate swap agreement matured on July 15, 2013. The Company did not meet the criteria for hedge accounting under ASC 815, thus the difference between its amortized cost and its fair value resulted in an unrealized gain at December 31, 2013 of $101,000, and such amount was reported in interest and other expenses, net on the accompanying Consolidated Statements of Comprehensive Income (Loss). Beginning in the second quarter of 2013, in order to protect against foreign currency exposure in its Australian operations, the Company entered into forward foreign currency contracts as a hedge of AUD $60.0 million of its net investment in Australia. Beginning in the third quarter of 2013, the Company also entered into forward foreign currency contracts as a hedge of £40.0 million of its net investment in the U.K. During the fourth quarter of 2015, the Company entered into a foreign exchange agreement to hedge an additional £35.0 million related to its investment in the U.K. concurrent with funding of the acquisition of Argent. The Company settled certain of its hedge positions during 2013, 2014 and 2015 and received $1.4 million, $4.0 million and $7.7 million, respectively, in net proceeds. This amount was classified in accumulated other comprehensive income (loss) in the Company’s Consolidated Balance Sheet (see Note 2), offsetting the currency translation adjustment of the related net investment that is also recorded in accumulated other comprehensive income (loss), and is reported net of the effect of income taxes. As of December 31, 2015, the Company had a net liability of $367,000, with $1.2 million recorded in other current liabilities and $848,000 recorded in other current assets with the offsetting net unrealized loss being recorded in accumulated other comprehensive income (loss) in its Consolidated Balance Sheets associated with open forward foreign currency contracts which matured in January of 2016. The Company does not enter into derivative transactions for speculative purposes.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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