XML 86 R22.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Capital Stock | 3 Months Ended
--- | ---
Oct. 26, 2013
Stockholders' Equity Note [Abstract] |
Capital Stock | Capital Stock On August 27, 2013, the Board of Directors authorized $40.0 million to repurchase shares of the Company's outstanding common stock over the subsequent eighteen months in open market or private transactions. No shares were repurchased during the first quarter of fiscal 2014. As of October 26, 2013, the full $40.0 million authorization remained available for repurchases through February 2015. Pursuant to a previous repurchase authorization, the Company made the following repurchases:
Three Months Ended |  | Number of Shares Repurchased |  | Total Consideration (Dollars in thousands) |  | Average Price Per Share
Fiscal 2012 |  | 597,700 |  |  | $ | 12,960 |  |  | $ | 21.68 |
Fiscal 2013 |  | 1,047,000 |  |  | $ | 15,203 |  |  | $ | 14.52 |
All shares repurchased have been canceled.

X
- Definition The entire disclosure of share repurchases under the current and prior share repurchase authorizations. + References No definition available. + Details
Name: | dy_CapitalStockTextBlock
Namespace Prefix: | dy_
Data Type: | nonnum:textBlockItemType
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