Quarterly report pursuant to Section 13 or 15(d)

Financing Agreements - Schedule of borrowings (Details)

v2.4.1.9
Financing Agreements - Schedule of borrowings (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 15, 2014
Sep. 30, 2014
Financing Agreements      
Total debt $ 570.8us-gaap_LongTermDebt   $ 558.5us-gaap_LongTermDebt
Less: current portion (9.0)us-gaap_LongTermDebtCurrent   (15.0)us-gaap_LongTermDebtCurrent
Long-term debt 561.8us-gaap_LongTermDebtNoncurrent   543.5us-gaap_LongTermDebtNoncurrent
$700 revolving credit facility, maturing December 19, 2019      
Financing Agreements      
Total debt 146.3us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
  229.6us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
$200 term loan, final maturity December 19, 2019      
Financing Agreements      
Total debt 175.5us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= hi_TermLoanMember
  180.0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= hi_TermLoanMember
$150 senior unsecured notes, due July 15, 2020, net of discount      
Financing Agreements      
Total debt 149.0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
  148.9us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
$100 unsecured Series A Notes, due December 15, 2024      
Financing Agreements      
Total debt $ 100.0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
$ 100.0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
$ 0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
Stated interest rate   4.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember