XML 35 R29.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Inventories (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Inventory Disclosure [Abstract] |
Inventories |
| December 31,
| 2014 |  | 2013
| (in thousands)
Raw materials | $ | 34,153 |  |  | $ | 28,592 |
Work in process | 2,262 |  |  | 2,286 |
Finished goods | 1,917 |  |  | 1,841 |
| 38,332 |  |  | 32,719 |
Less: Allowance for excess and obsolete inventories | (714 | ) |  | (579 | )
Total, net | $ | 37,618 |  |  | $ | 32,140 |
Inventories (Allowance) |
| Years Ending December 31,
| 2014 |  | 2013 |  | 2012
Allowance for excess and obsolete inventories: | (in thousands)
Balance, beginning of period | $ | 579 |  |  | $ | 363 |  |  | $ | 300 |
Provisions for excess and obsolete inventories | 135 |  |  | 243 |  |  | 63 |
Inventories written off | — |  |  | (27 | ) |  | — |
Balance, end of period | $ | 714 |  |  | $ | 579 |  |  | $ | 363 |

X
- Definition Tabular disclosure of activity in the allowance for excess and obsolete inventory account. + References No definition available. + Details
Name: | aaon_ScheduleOfInventoryAllowanceTableTextBlock
Namespace Prefix: | aaon_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration