XML 68 R37.htm IDEA: XBRL DOCUMENT v3.4.0.3
Debt - Summary of Carrying Amount and Fair Value of Financial Instruments (Detail) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Carrying Amounts and Fair Values of Financial Instruments [Line Items]    
fss_LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent $ 0.6 $ 44.1
Long term debt and capital lease obligations 0.4 0.4
Long-term Debt    
Carrying Amounts and Fair Values of Financial Instruments [Line Items]    
fss_LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent [1] 0.6 44.1
Long-term Debt, Fair Value [1] $ 0.6 $ 44.1
[1] Long-term borrowings includes current portions of long-term debt and current portions of capital lease obligations of $0.4 million and $0.4 million as of March 31, 2016 and December 31, 2015, respectively.