XML 71 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Significant Accounting Policies (Details)
$ in Millions
Jan. 01, 2017
USD ($)
Retained earnings | Accounting Standards Update 2016-09  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Increase to opening retained earnings $ 2.2