Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Financial Statements Detail - Additional Information 2 (Details)

v3.8.0.1
Condensed Consolidated Financial Statements Detail - Additional Information 2 (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
Property, Plant and Equipment [Line Items]  
Total proceeds from sale of equipment $ 1.6
Carrying value of equipment sold 0.3
Other Income (Expense) [Member]  
Property, Plant and Equipment [Line Items]  
Gain on sale of equipment $ 1.3