Note 2 - Summary of Significant Accounting Policies (Details)		1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 16, 2015 USD ($)	Apr. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) shares	Sep. 30, 2015 USD ($) shares	Sep. 30, 2014 USD ($) shares	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($) shares	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jul. 31, 2011 USD ($)
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Cash Equivalents, at Carrying Value				$ 0		$ 0		$ 0
Allowance for Doubtful Accounts Receivable				11,700,000		11,700,000		9,900,000
Cash and Cash Equivalents, at Carrying Value				127,338,000	$ 9,111,000	127,338,000	$ 9,111,000	9,751,000	$ 12,829,000
Cash, FDIC Insured Amount				250,000		250,000
Impairment of Long-Lived Assets Held-for-use						0		0
Payments of Debt Extinguishment Costs						14,618,000
Gains (Losses) on Extinguishment of Debt						(18,619,000)
Amortization of Financing Costs				$ 380,000	$ 583,000	$ 1,411,000	$ 1,735,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares				49,000	96,000	34,000	78,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						$ (6,600,000)
2014 Acquisitions [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Business Combination Contingent Consideration Settled In Cash						5,100,000
2014 Acquisitions [Member] | Selling, General and Administrative Expenses [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Increase Decrease In Interest And Other Expense Related To Contingent Consideration						1,500,000
2014 Acquisitions [Member] | Interest and Other Expenses [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Increase Decrease In Interest And Other Expense Related To Contingent Consideration						$ 162,000
Employee Stock Option [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares) | shares						35,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ / shares						$ 19.36
Stock Granted, Value, Share-based Compensation, Gross						$ 678,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						3 years
Allocated Share-based Compensation Expense				$ 1,000,000	$ 1,800,000	$ 4,200,000	$ 6,500,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized				5,900,000		$ 5,900,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						1 year 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value						$ 30,200,000
Employee Stock Option [Member] | Cost of Sales [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Allocated Share-based Compensation Expense				259,000	444,000	987,000	1,600,000
Employee Stock Option [Member] | Selling, General and Administrative Expenses [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Allocated Share-based Compensation Expense				778,000	1,300,000	3,200,000	4,900,000
Restricted Stock and RSUs [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized				31,600,000		$ 31,600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						2 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value						$ 12,300,000
Restricted Stock and RSUs [Member] | Selling, General and Administrative Expenses [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Allocated Share-based Compensation Expense				4,400,000	2,100,000	13,200,000	6,400,000
Restricted Stock Units (RSUs) [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares) | shares			122,000
UNITED STATES
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Cash and Cash Equivalents, at Carrying Value				115,200,000		115,200,000
UNITED KINGDOM
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Deferred Revenue				3,000,000		3,000,000		$ 4,400,000
Incentive Compensation Plan [Member] | Selling, General and Administrative Expenses [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Allocated Share-based Compensation Expense					790,000	$ 777,000	1,800,000
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Number of Major Customers						1		1
Concentration Risk, Percentage						16.00%		14.00%
Senior Secured Revolving Credit Facility [Member] | Revolving Credit Facility [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Deferred Finance Costs, Gross				8,500,000		$ 8,500,000
Debt Issuance Cost						1,400,000	251,000
Write off of Deferred Debt Issuance Cost						274,000
Debt Instrument, Term	5 years	5 years
Senior Unsecured Notes [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Deferred Finance Costs, Gross			$ 7,100,000
Debt Issuance Cost				$ 0	$ 0	0	$ 0
Write off of Deferred Debt Issuance Cost		$ 3,700,000
Senior Notes										$ 250,000,000
Debt Instrument, Interest Rate, Stated Percentage										9.00%
Payments of Debt Extinguishment Costs		14,600,000
Gains (Losses) on Extinguishment of Debt		$ (18,300,000)
Debt Instrument, Term		8 years
Senior Notes 2023 [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.625%
Debt Instrument, Face Amount	$ 500,000,000
Debt Instrument, Issuance Percentage	100.00%
Proceeds from Issuance of Long-term Debt	$ 500,000,000
Payments of Debt Extinguishment Costs						$ 7,500,000
Minimum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ / shares						$ 19.30
Minimum [Member] | Time Lapse Restricted Stock and RSUs [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						1 year
Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ / shares						$ 19.37
Maximum [Member] | Time Lapse Restricted Stock and RSUs [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						5 years