XML 55 R42.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Inventories (Allowance) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Allowance for excess and obsolete inventories: |  |  |
Balance, beginning of period | $ 714 | $ 579 | $ 363
Provisions for excess and obsolete inventories | 178 | 135 | 243
Inventories written off | (135) | 0 | (27)
Balance, end of period | $ 757 | $ 714 | $ 579

X
- Definition Charge to expense for inventory that is expected to be excess or obsolete. + References No definition available. + Details
Name: | aaon_InventoryValuationReservesProvision
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Inventory Valuation Reserves [Roll Forward] + References No definition available. + Details
Name: | aaon_InventoryValuationReservesRollForward
Namespace Prefix: | aaon_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory that is written off due to being excess or obsolete. + References No definition available. + Details
Name: | aaon_InventoryValuationReservesWriteOffs
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of valuation reserve for inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.BB) -URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51655945&loc=d3e3927-108312 + Details
Name: | us-gaap_InventoryValuationReserves
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant