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Summarize Impact of ASC 606 to Condensed Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Jan. 01, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Assets |  |  |
Accounts receivable, less allowance for doubtful accounts | $ 291,267 |  | $ 272,783
Inventories, net | 153,541 |  | 107,525
Deferred tax assets | 70,848 |  | 84,026
LIABILITIES |  |  |
Deferred revenue and customer advances | 77,711 |  | 83,614
Income taxes payable | 36,185 |  | 59,055
Long-term deferred revenue and customer advances | 32,750 |  | 30,127
Shareholders' equity |  |  |
Accumulated deficit | (158,191) |  | $ 272,013
ASU 2014-09 |  |  |
Assets |  |  |
Accounts receivable, less allowance for doubtful accounts | 253,919 |  |
Inventories, net | 164,300 |  |
Deferred tax assets | 66,974 |  |
LIABILITIES |  |  |
Deferred revenue and customer advances | 73,593 | $ 76,638 |
Income taxes payable | 31,690 |  |
Long-term deferred revenue and customer advances | 22,447 | 20,848 |
Shareholders' equity |  |  |
Accumulated deficit | (169,738) |  |
ASU 2014-09 | Adjustments to Recognize Under Legacy GAAP |  |  |
Assets |  |  |
Accounts receivable, less allowance for doubtful accounts | (37,348) |  |
Inventories, net | 10,759 |  |
Deferred tax assets | (3,874) |  |
LIABILITIES |  |  |
Deferred revenue and customer advances | (4,118) | 1,073 |
Income taxes payable | (4,495) |  |
Long-term deferred revenue and customer advances | (10,303) | $ 11,902 |
Shareholders' equity |  |  |
Accumulated deficit | $ (11,547) |  |

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- Definition The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Also includes customer advance payments represent a part or a full amount of a contractually due sum that is paid in advance of the delivery of goods or services. + References No definition available. + Details
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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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