Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of increase (decrease) in allowance for credit loss on financing receivable.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Significant accounting policies.

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Summary of Significant Accounting Principles - Additional Information (Detail) - USD ($) $ in Millions	Jan. 01, 2020	Apr. 01, 2020	Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2019
Accounting Standards Update 2016-02
Significant Accounting Policies [Line Items]
Right-of-use asset					$ 200.0
Lease liability					$ 200.0
Accounting Standards Update 2016-13
Significant Accounting Policies [Line Items]
Allowances for credit losses on certain financial assets	$ 4.5
After-tax cumulative effect reduction in opening retained earnings	$ (3.6)
Wilbert Funeral Services, Inc
Significant Accounting Policies [Line Items]
Equity interest percentage			45.00%
Subsequent Event \| Wilbert Funeral Services, Inc
Significant Accounting Policies [Line Items]
Equity interest percentage		100.00%
Equity interest percentage acquired		55.00%
Kentucky Trailer
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners			23.00%
Integrated Project Services LLC
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners			15.00%
Precision Cutting Technologies, Inc
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners				11.00%
Jazwares, LLC
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners			25.00%
WWSC Holdings, LLC
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners			20.00%
Concord
Significant Accounting Policies [Line Items]
Ownership of interest held by noncontrolling partners			15.00%