XML 46 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segment Reporting (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | $ 206,182 | $ 160,520 | $ 400,120 | $ 308,610
Total product revenues in percentage | 100.00% | 100.00% | 100.00% | 100.00%
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 88,850 | 71,569 | 173,917 | 134,627
Total product revenues in percentage | 43.00% | 45.00% | 43.00% | 44.00%
Germany |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 25,486 | 20,492 | 47,962 | 40,365
Total product revenues in percentage | 12.00% | 13.00% | 12.00% | 13.00%
South Korea |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 24,039 | 14,028 | 45,954 | 25,487
Total product revenues in percentage | 12.00% | 9.00% | 11.00% | 8.00%
China |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 17,349 | 15,548 | 33,293 | 29,600
Total product revenues in percentage | 8.00% | 10.00% | 8.00% | 10.00%
Japan |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 11,856 | 9,299 | 22,321 | 18,272
Total product revenues in percentage | 6.00% | 6.00% | 6.00% | 6.00%
Czech Republic |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 6,855 | 4,118 | 12,941 | 7,756
Total product revenues in percentage | 3.00% | 2.00% | 3.00% | 2.00%
United Kingdom |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 6,199 | 4,007 | 12,799 | 8,131
Total product revenues in percentage | 3.00% | 3.00% | 3.00% | 3.00%
Mexico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 5,058 | 4,023 | 9,761 | 7,450
Total product revenues in percentage | 2.00% | 2.00% | 2.00% | 2.00%
Canada |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 4,569 | 3,582 | 7,731 | 7,085
Total product revenues in percentage | 2.00% | 2.00% | 2.00% | 2.00%
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | 15,921 | 13,854 | 33,441 | 29,837
Total product revenues in percentage | 8.00% | 8.00% | 10.00% | 10.00%
Total Foreign |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues | $ 117,332 | $ 88,951 | $ 226,203 | $ 173,983
Total product revenues in percentage | 57.00% | 55.00% | 57.00% | 56.00%

X
- Definition Sales revenues goods net percentage. + References No definition available. + Details
Name: | thrm_SalesRevenuesGoodsNetPercentage
Namespace Prefix: | thrm_
Data Type: | num:percentItemType
Balance Type: | na
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=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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