Annual report pursuant to Section 13 and 15(d)

Inventory (Narrative) (Details)

v3.8.0.1
Inventory (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2017
Sep. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Inventory [Abstract]          
Percent of selling price increase 4.00% 5.00%      
Benefit to cost of sales     $ 5.1 $ 5.6  
Benefit to cost of sales, net of tax     3.1 3.4  
Interest capitalized to VOI inventory     $ 1.1 $ 0.4 $ 0.7