XML 139 R49.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Extended Product Warranty Included in Short and Long-Term Deferred Revenue and Customer Advances (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule of Accrued Liabilities [Line Items] |  |  |
Balance at beginning of period | $ 34,909 us-gaap_ExtendedProductWarrantyAccrual | $ 28,044 us-gaap_ExtendedProductWarrantyAccrual | $ 14,030 us-gaap_ExtendedProductWarrantyAccrual
Deferral of new extended warranty revenue | 29,519 us-gaap_ExtendedProductWarrantyAccrualWarrantiesIssued | 20,630 us-gaap_ExtendedProductWarrantyAccrualWarrantiesIssued | 22,704 us-gaap_ExtendedProductWarrantyAccrualWarrantiesIssued
Recognition of extended warranty deferred revenue | (21,128)us-gaap_ExtendedProductWarrantyAccrualPayments | (13,765)us-gaap_ExtendedProductWarrantyAccrualPayments | (8,690)us-gaap_ExtendedProductWarrantyAccrualPayments
Balance at end of period | $ 43,300 us-gaap_ExtendedProductWarrantyAccrual | $ 34,909 us-gaap_ExtendedProductWarrantyAccrual | $ 28,044 us-gaap_ExtendedProductWarrantyAccrual

X
- Details
Name: | ter_ScheduleOfAccruedLiabilitiesLineItems
Namespace Prefix: | ter_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount as of the balance sheet date of the aggregate extended product warranty liability. Does not include the ending balance for the standard product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_ExtendedProductWarrantyAccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the extended product warranty. Does not include any Increase or Decrease in the liability for payments related to standard product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_ExtendedProductWarrantyAccrualPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the aggregate increase in the liability for accruals related to extended product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to standard product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_ExtendedProductWarrantyAccrualWarrantiesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration