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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Apr. 30, 2018 | Jul. 31, 2018 | Jul. 31, 2017 | Dec. 29, 2017
Income Tax [Line Items] |  |  |  |
Effective income tax rate |  | 23.80% | 29.00% |
Tax Cuts and Jobs Act of 2017, net tax benefit | $ 1,000 | $ 700 | $ 2,200 |
Excess tax benefit related to stock-based compensation |  | $ 100 |  |
RSI Home Products, Inc. |  |  |  |
Income Tax [Line Items] |  |  |  |
Deferred income taxes |  |  |  | $ 67,368

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to excess tax benefit for share-based compensation cost. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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