Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Future Maturities of Loans and Capital Leases (Parenthetical) (Detail)

v2.4.1.9
Debt - Summary of Future Maturities of Loans and Capital Leases (Parenthetical) (Detail) (Term Loans [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Term Loans [Member]
 
Line of Credit Facility [Line Items]  
Additional payment included in term loan for 2015 $ 1.8infu_LongtermDebtMaturitiesAdditionalRepaymentsOfPrincipal
/ us-gaap_CreditFacilityAxis
= infu_TermLoansMember