XML 54 R41.htm IDEA: XBRL DOCUMENT v3.5.0.2

Segment Information - Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenues from external customers	$ 204,961	$ 154,824	$ 631,459	$ 483,425
Income (loss) from operations	18,727	10,122	47,304	37,645
Total assets	1,381,648	719,476	1,381,648	719,476	$ 1,380,567
Corporate and Consolidations [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(5,490)	(8,000)	(20,212)	(16,496)
Total assets	7,515	50,070	7,515	50,070
Precision Bearing Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	58,247	60,545	188,149	203,041
Income (loss) from operations	5,840	6,633	18,639	25,125
Total assets	224,531	209,120	224,531	209,120
Autocam Precision Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	80,492	83,243	247,473	252,336
Income (loss) from operations	8,464	10,894	22,761	27,707
Total assets	421,946	431,478	421,946	431,478
PEP [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	66,222	11,036	195,837	28,048
Income (loss) from operations	9,913	595	26,116	1,309
Total assets	$ 727,656	$ 28,808	$ 727,656	$ 28,808

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalesRevenueGoodsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nnbr_PrecisionBearingComponentsSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nnbr_AutocamPrecisionComponentsSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nnbr_PrecisionEngineeredProductsHoldingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: