v3.3.1.900

Related Party Transactions (Details) - USD ($) | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2015 | May. 05, 2015 | Mar. 31, 2015 | Feb. 28, 2014 | Jun. 30, 2011
Roxbury Advisory, LLC |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Purchases of services | $ 50,000 |  |  |  |  |
First Lien Notes | Senior Secured Notes |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Debt Instrument, Repurchased Face Amount |  |  | $ 2,000,000 | $ 55,500,000 | $ 2,300,000 | $ 20,000,000
Revolving Credit Facility |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Credit facility commitment represented (percent) |  | 42.00% |  |  |  |

X
- Definition Line of Credit, Commitment Represented, Percent + References No definition available. + Details
Name: | ami_LineofCreditCommitmentRepresentedPercent
Namespace Prefix: | ami_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ami_RoxburyAdvisoryLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ami_FirstLienNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ami_SeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |