XML 59 R46.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Long-Term Debt - Schedule of Debt Restated for Adoption of New Accounting Standard (Parenthetical) (Detail) - USD ($) | Sep. 30, 2016 | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Senior Notes Due 2020 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings | $ 250,000,000 |  |
Senior Notes Due 2020 [Member] | Audited [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | $ 250,000,000
Senior Notes Due 2020 [Member] | Restated [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 250,000,000
Senior Secured Term Loan B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings | 545,000,000 | $ 575,000,000 |
Senior Secured Term Loan B [Member] | Audited [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 575,000,000
Senior Secured Term Loan B [Member] | Restated [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 575,000,000
Senior Secured Revolving Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings | $ 133,000,000 | $ 100,000,000 |
Senior Secured Revolving Facility [Member] | Audited [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 100,000,000
Senior Secured Revolving Facility [Member] | Restated [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 100,000,000
ASU 2015-13 Reclass [Member] | Senior Notes Due 2020 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 250,000,000
ASU 2015-13 Reclass [Member] | Senior Secured Term Loan B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | 575,000,000
ASU 2015-13 Reclass [Member] | Senior Secured Revolving Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Borrowings |  |  | $ 100,000,000

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioPreviouslyReportedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_RestatementAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201503Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |