XML 56 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stockholders' Equity - Schedule of Dividends Paid Previously or Declared (Details) (USD $) | 3 Months Ended | 12 Months Ended | 0 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2012 | Jul. 09, 2013 Subsequent Event [Member] | Jul. 09, 2013 Subsequent Event [Member]
Stockholders' Equity Note [Abstract] |  |  |  |  |  |  |  |  |
Dividends paid per share | $ 0.20 | $ 0.10 | $ 0.21 | $ 0.19 | $ 0.17 | $ 0.17 | $ 1.24 |  |
Sub-Total |  |  |  |  |  |  | $ 0.74 |  |
Supplemental dividend paid per share |  |  | $ 0.50 |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Dividend declared per share |  |  |  |  |  |  |  | $ 0.25 |
Sub-Total |  |  |  |  |  |  |  |  | $ 0.55
Dividend paid previously or declared, per share |  |  |  |  |  |  |  |  | $ 0.55

X
- Definition Common Stock Dividends Per Share Cash Paid And Or Declared + References No definition available. + Details
Name: | fast_CommonStockDividendsPerShareCashPaidAndOrDeclared
Namespace Prefix: | fast_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock Excluding Supplemental Dividends, Per Share, Cash Paid + References No definition available. + Details
Name: | fast_CommonStockExcludingSupplementalDividendsPerShareCashPaid
Namespace Prefix: | fast_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock Excluding Supplemental Dividends, Per Share, Cash Paid and/or Declared + References No definition available. + Details
Name: | fast_CommonStockExcludingSupplementalDividendsPerShareCashPaidAndorDeclared
Namespace Prefix: | fast_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Supplemental dividend paid during the period for each share of common stock outstanding. + References No definition available. + Details
Name: | fast_CommonStockSupplementalDividendPerShareCashPaid
Namespace Prefix: | fast_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

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