XML 47 R36.htm IDEA: XBRL DOCUMENT v2.4.1.9
Acquisitions and Divestitures (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended 0 Months Ended 5 Months Ended 0 Months Ended 3 Months Ended
Aug. 30, 2014
Nov. 29, 2014
Nov. 29, 2014
Nov. 29, 2014
Sep. 30, 2013
Mar. 01, 2014
Jul. 28, 2014
Nov. 30, 2013
dealerships
Aug. 31, 2013
dealerships
May 31, 2014
Business Acquisition                    
Long-term Line of Credit             $ 127.0us-gaap_LineOfCredit      
Goodwill   303.9us-gaap_Goodwill 303.9us-gaap_Goodwill 303.9us-gaap_Goodwill           228.2us-gaap_Goodwill
Design Within Reach                    
Business Acquisition                    
Business Acquisition, Percentage of Voting Interests Acquired             81.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
     
Purchase price     155.2us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
             
Business Acquisition, Goodwill, Expected Tax Deductible Amount             10us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
     
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests, Percent 4.00%mlhr_NoncontrollingInterestDecreasefromRedemptionsorPurchaseofInterestsPercent
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
                 
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests 5.8us-gaap_MinorityInterestDecreaseFromRedemptions
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
                 
Business Combination, Acquisition Related Costs   0.2us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
  2.2us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
           
Goodwill   76.2us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
76.2us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
76.2us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
           
Other intangible assets   69.3us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
69.3us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
69.3us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
           
Dongguan Sun Hing Steel Furniture Factory Ltd                    
Business Acquisition                    
Consideration transferred         8.2us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DongguanSunHingSteelFurnitureFactoryLtdMember
6.7us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DongguanSunHingSteelFurnitureFactoryLtdMember
       
Redeemable Noncontrolling Interest | Design Within Reach                    
Business Acquisition                    
Fair value of fully-vested options granted             $ 1.7us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ us-gaap_BalanceSheetLocationAxis
= mlhr_RedeemableNoncontrollingInterestMember
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
     
Herman Miller Consumer Holdings, Inc. | Design Within Reach                    
Business Acquisition                    
Capital Contributed, Percentage of Acquiree 15.00%mlhr_CapitalContributedPercentageofAcquiree
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
/ dei_LegalEntityAxis
= mlhr_HermanMillerConsumerHoldingsInc.Member
                 
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners             7.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ us-gaap_BusinessAcquisitionAxis
= mlhr_DesignWithinReachMember
/ dei_LegalEntityAxis
= mlhr_HermanMillerConsumerHoldingsInc.Member
     
ARKANSAS | Wholly-owned Contract Furniture Dealership                    
Business Acquisition                    
Numbers of Business Divested               1mlhr_NumbersofBusinessesDivested
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= mlhr_WhollyownedcontractfurnituredealershipMember
/ us-gaap_StatementGeographicalAxis
= stpr_AR
   
OREGON | Wholly-owned Contract Furniture Dealership                    
Business Acquisition                    
Numbers of Business Divested                 1mlhr_NumbersofBusinessesDivested
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= mlhr_WhollyownedcontractfurnituredealershipMember
/ us-gaap_StatementGeographicalAxis
= stpr_OR