XML 40 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Earnings Per Common Share (Detail) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2015 | Jan. 31, 2014 | Jan. 31, 2015 | Jan. 31, 2014
Earnings Per Share Disclosure [Line Items] |  |  |  |
Weighted average common shares outstanding for basic earnings per share | 53,377,440 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 53,289,626 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 53,355,757 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 53,247,315 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Stock options, unvested restricted stock and restricted stock units | 81,091 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 63,401 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 88,973 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 78,936 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Weighted average common shares outstanding for diluted earnings per share | 53,458,531 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 53,353,027 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 53,444,730 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 53,326,251 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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

X
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
Name: | us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 + Details
Name: | us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
Name: | us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration