Note 17 - Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 17 - Commitments and Contingencies (Details) [Line Items]
Surety Bonds Issued And Outstanding	$ 97.9
Letters of Credit Outstanding, Amount	30.2
Estimated Cost Related To Bonds	45.5
Estimated Cost Related To Letters Of Credit	8.1
Estimated Litigation Liability	5.9	2.3
Operating Leases, Rent Expense, Net	5.2	6.6	7.7
Selling, General and Administrative Expenses [Member]
Note 17 - Commitments and Contingencies (Details) [Line Items]
Legal Recoveries		9.8
Homeamerican [Member]
Note 17 - Commitments and Contingencies (Details) [Line Items]
Letters of Credit Outstanding, Amount	15.3
Loss Contingency Accrual, Period Increase (Decrease)			8.0
Loss Contingency Accrual, Payments			$ 14.5