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Impact of COVID-19 Pandemic - Schedule of Restructuring Plan (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021
U.S. Operating Segment |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | $ 5,082 | $ 6,022 | $ 6,580
Amounts paid |  | (200) | (350)
Reserve adjustments | (305) | (740) | (208)
Balance | 4,777 | 5,082 | 6,022
U.S. Operating Segment | Employee Related |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 430 | 490 | 840
Amounts paid |  |  | (350)
Reserve adjustments |  | (60) |
Balance | 430 | 430 | 490
U.S. Operating Segment | Facility Closure Costs |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 4,652 | 5,532 | 5,740
Amounts paid |  | (200) |
Reserve adjustments | (305) | (680) | (208)
Balance | 4,347 | 4,652 | 5,532
International Operating Segment |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 161 | 161 | 161
Reserve adjustments | (35) |  |
Balance | 126 | 161 | 161
International Operating Segment | Facility Closure Costs |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 161 | 161 | 161
Reserve adjustments | (35) |  |
Balance | 126 | 161 | 161
Consolidated |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 5,243 | 6,183 | 6,741
Amounts paid |  | (200) | (350)
Reserve adjustments | (340) | (740) | (208)
Balance | 4,903 | 5,243 | 6,183
Consolidated | Employee Related |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 430 | 490 | 840
Amounts paid |  |  | (350)
Reserve adjustments |  | (60) |
Balance | 430 | 430 | 490
Consolidated | Facility Closure Costs |  |  |
Unusual Or Infrequent Item [Line Items] |  |  |
Balance | 4,813 | 5,693 | 5,901
Amounts paid |  | (200) |
Reserve adjustments | (340) | (680) | (208)
Balance | $ 4,473 | $ 4,813 | $ 5,693

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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