Commitments and Contingencies (Changes To Warranty Liability) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Movement in Standard Product Warranty Accrual [Roll Forward]
Warranty liabilities, beginning of period	$ 64,681	$ 60,936	$ 66,134	$ 61,179
Reserves provided	12,446	14,204	23,088	26,523
Payments	(16,815)	(13,101)	(28,914)	(25,663)
Other adjustments (a)	13,041	(200)	13,045	(200)
Warranty liabilities, end of period	73,353	$ 61,839	$ 73,353	$ 61,839
Florida
Movement in Standard Product Warranty Accrual [Roll Forward]
Product warranty expense	$ 12,100