Business Acquisition, Transaction Costs, Add-Back, Net of Tax

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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Amount of amortization expense attributable to debt issuance costs.

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Number of shares of equity interests issued or issuable to acquire entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The net result for the period of deducting operating expenses from operating revenues.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Price of a single share of a number of saleable stocks of a company.

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Acquisition of RSI Home Products, Inc. (the "RSI Acquisition") (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			9 Months Ended
	Dec. 29, 2017	Jan. 31, 2019	Jan. 31, 2018	Jul. 31, 2017	Jan. 31, 2019	Jan. 31, 2018	Apr. 30, 2018	May 01, 2016
Business Acquisition [Line Items]
Acquisition, cash consideration, net of cash acquired					$ 7,182	$ 57,200
Goodwill		$ 767,612			767,612		$ 767,451
Operating income (loss)		27,150		$ 7,720	103,141	69,369
Cost of sales		307,227	$ 242,412		978,569	678,179
Amortization of debt issuance costs					2,054	0
Acquisition, transaction costs, add-dack, net of tax						$ 6,600
Revolving loan facility
Business Acquisition [Line Items]
Proceeds from loan	$ 50,000
Outstanding on the Revolving Facility		$ 35,000			$ 35,000
Credit Agreement \| Revolving loan facility
Business Acquisition [Line Items]
Outstanding on the Revolving Facility								$ 300,000
RSI Home Products, Inc.
Business Acquisition [Line Items]
Acquisition, indebtedness assumed	589,000
Consideration transferred, acquisition	554,200
Acquisition, cash consideration, net of cash acquired	$ 364,400
Acquisition, shares issued (in shares)	1,457,568
Acquisition, shares issued, amount	$ 189,800
Acquisition, share price	$ 130.25
Goodwill	$ 767,612
Customer receivables	54,649
Customer receivables, allowance for doubtful accounts	2,400
RSI Home Products, Inc. \| Revolving loan facility
Business Acquisition [Line Items]
Proceeds from loan	50,000
RSI Home Products, Inc. \| Revolving Facility \| Revolving loan facility
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity	100,000
RSI Home Products, Inc. \| Revolving Facility \| Letter of credit
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity	25,000
RSI Home Products, Inc. \| Term loan \| Initial Term Loan
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity	$ 250,000
Debt term	5 years
RSI Home Products, Inc. \| Term loan \| Delayed Draw Term Loan
Business Acquisition [Line Items]
Credit facility, maximum borrowing capacity	$ 250,000
Pro forma
Business Acquisition [Line Items]
Effective income tax rate, proportional federal rate						34.40%