Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments Derivative Financial Instruments (Details)

v3.6.0.2
Derivative Financial Instruments Derivative Financial Instruments (Details)
$ in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
Mar. 31, 2016
USD ($)
derivative_instrument
Swap Agreements    
Derivative [Line Items]    
Number of instruments held | derivative_instrument   2
Fixed interest rate   0.89%
Derivatives, contract termination value $ 1.1  
Recurring | Derivative Financial Instruments, Liabilities | Other Noncurrent Liabilities | Level 2 | Swap Agreements    
Derivative [Line Items]    
Notional   $ 75.0
Reclassification out of Accumulated Other Comprehensive Income    
Derivative [Line Items]    
Cash flow hedge gain (loss) to be reclassified within 12 months $ (0.1)