Note 8 - Financing Arrangements (Details) (USD $)	3 Months Ended		6 Months Ended				6 Months Ended		3 Months Ended	6 Months Ended						1 Months Ended	3 Months Ended	6 Months Ended					1 Months Ended				3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2011 Over-Allotment Option [Member] Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Letter of Credit [Member] JPM Revolving Facility [Member] JPMorgan [Member]	Jun. 30, 2014 Per $1,000 Principal Amount of Notes [Member] Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Scenario #1 [Member] Senior Notes [Member] Notes [Member]	Mar. 31, 2014 Scenario #2 [Member] Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Scenario #2 [Member] Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Scenario #2 [Member] Senior Notes [Member] Notes [Member] Minimum [Member]	Apr. 17, 2014 Terminated [Member] B of A Revolving Facility [Member] Revolving Credit Facility [Member] B of A [Member]	Apr. 17, 2014 Scenario CA [Member] JPM Revolving Facility [Member] Revolving Credit Facility [Member] JPMorgan [Member]	Apr. 17, 2014 Scenario CC [Member] JPM Revolving Facility [Member] Revolving Credit Facility [Member] JPMorgan [Member]	Apr. 17, 2014 Potential [Member] JPM Revolving Facility [Member] JPMorgan [Member]	Jun. 30, 2011 Senior Notes [Member] Notes [Member]	Mar. 31, 2012 Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Senior Notes [Member] Notes [Member]	Jun. 30, 2014 Commitment Fees [Member] Term Loan Facility [Member] JPMorgan [Member]	Jun. 30, 2014 Ticketing Fees [Member] Term Loan Facility [Member] JPMorgan [Member]	Apr. 17, 2014 JPM Revolving Facility [Member] Revolving Credit Facility [Member] JPMorgan [Member]	Apr. 17, 2014 JPM Revolving Facility [Member] Letter of Credit [Member] JPMorgan [Member]	Apr. 17, 2014 JPM Revolving Facility [Member] JPMorgan [Member]	Apr. 17, 2014 Term Loan Facility [Member] Base Rate [Member] JPMorgan [Member]	Apr. 17, 2014 Term Loan Facility [Member] Eurodollar [Member] JPMorgan [Member]	Apr. 17, 2014 Term Loan Facility [Member] JPMorgan [Member]	Jun. 30, 2014 Term Loan Facility [Member] JPMorgan [Member]	Jun. 30, 2014 Term Loan Facility [Member] JPMorgan [Member]	Jun. 30, 2011 Term Loan Facility [Member] JPMorgan [Member]	Apr. 17, 2014 Term Loan Facility [Member] Maximum [Member] JPMorgan [Member]	Jun. 30, 2014 Revolving Credit Facility [Member] JPMorgan [Member]	Oct. 07, 2011 Letter of Credit [Member] B of A [Member]	Jun. 30, 2014 JPM Revolving Facility [Member] JPMorgan [Member]	Oct. 04, 2013 B of A Revolving Facility [Member] B of A [Member]	Oct. 03, 2013 B of A Revolving Facility [Member] B of A [Member]	Oct. 07, 2011 B of A Revolving Facility [Member] B of A [Member]
Note 8 - Financing Arrangements (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity												$ 60,000,000			$ 200,000,000						$ 150,000,000	$ 10,000,000				$ 600,000,000						$ 2,000,000		$ 60,000,000	$ 20,000,000	$ 20,000,000
Line of Credit Facility, Potential Increase to Maximum Borrowing Capacity																													150,000,000
Line of Credit Facility, Periodic Payment, Percent of Initial Loan Amount																													0.25%
Debt Instrument, Face Amount																		120,000,000									600,000,000	600,000,000	600,000,000
Debt Instrument, Term																							5 years			7 years
Line of Credit, Prepayment Fee Percentage																										1.00%
Long-term Line of Credit																											600,000,000	600,000,000
Debt Instrument, Basis Spread on Variable Rate																								2.50%	3.50%
Debt Instrument, Potential Reduction in Basis Spread on Variable Rate																										0.25%
Debt Instrument, Potential Reduction in Basis Spread on Variable Rate, EBITDA Ratio Threshold																														2.25
Debt Instrument, Debt Default, Rate Increase																							2.00%			2.00%
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum																									4.50%
Interest Expense, Debt																											5,500,000	5,500,000
Deferred Finance Costs, Gross																											20,300,000	20,300,000
Debt Instrument, Fee Amount																			7,400,000
Amortization of Financing Costs	2,436,000	207,000	8,590,000	411,000															2,100,000	5,000,000							1,200,000	7,100,000
Convertible Notes Payable					20,000,000											120,000,000
Debt Instrument, Interest Rate, Stated Percentage																3.50%
Proceeds from Convertible Debt																115,300,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)																$ 8.76
Debt Instrument, Convertible, Conversion Rate							114.1553
Debt Instrument, Convertible, If-converted Amount of Principal										1,000								1,000
Debt Instrument, Trading Amount, Percent of Face Value																		381.00%
Debt Instrument, Convertible, Total Market Value																		456,800,000
Share Price (in Dollars per share)																		$ 33.25
Debt Instrument, Convertible, Pro Forma Conversion Value																		455,500,000
Debt Instrument, Convertible, Threshold Trading Days								20									20
Debt Instrument, Convertible, Threshold Consecutive Trading Days										5 days	5 days						30 days	30 days
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger								130.00%	98.00%
Debt Instrument, Convertible, Stock Price Trigger (in Dollars per share)																	$ 11.39
Debt Instrument, Convertible, If-converted Value in Excess of Principal																	20,500,000
Debt Instrument, Borrowing Base, Percent of Eligible Accounts Receivable																					85.00%
Debt Instrument, Borrowing Base, Percent of Eligible Inventory													0.85%	75.00%
Line of Credit Facility, Commitment Fee, Threshold, Percent of Commitments																							12.50%
Line of Credit Facility, Commitment Fee, Threshold, Amount of Commitments																							15,000,000
Line of Credit Facility, Commitment Fee, Threshold, Number of Consecutive Days																							30 days
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage																							0.25%
Debt Instrument, Covenant, Minimum Liquidity																							120,000,000
Debt Instrument, Covenant, Minimum Liquidity, Additional Percentage of Commitments																							25.00%
Debt Instrument, Covenant, Minimum EBITDA to Fixed Charges Ratio																							1.00
Debt Instrument, Covenant, Minimum EBITDA to Fixed Charges Ratio, Measurment Duration																							12 months
Letters of Credit Outstanding, Amount						500,000																											0
Letters of Credit Outstanding, Number																																	1
Line of Credit Facility, Remaining Borrowing Capacity																															$ 142,700,000