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Summary of Activity Related to Liability for Special Charges (Parenthetical) (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Special Charges [Line Items] |  |  |  |
Net non-cash expense reversals | $ 300 |  |  |
Special charges remaining liability | 11,560 | [1] | $ 11,813 | $ 18,613
Total expected payments to special charges, amount expected to be paid in 2017 | 6,100 |  |  |
Total expected payments to special charges, amount expected to be paid in 2018 | 2,600 |  |  |
Total expected payments to special charges, amount expected to be paid in 2019 | 1,200 |  |  |
Total expected payments to special charges, amount expected to be paid in 2020 | 400 |  |  |
Total expected payments to special charges, amount expected to be paid from 2021 to 2025 | 1,300 |  |  |
Selling, General and Administrative Expenses |  |  |  |
Special Charges [Line Items] |  |  |  |
Expected sublease income | $ 200 |  | $ 400 |
[1] | Of the $11.6 million remaining liability for special charges, $6.1 million is expected to be paid in 2017, $2.6 million is expected to be paid in 2018, $1.2 million is expected to be paid in 2019, $0.4 million is expected to be paid in 2020 and the remaining balance of $1.3 million is expected to be paid from 2021 to 2025

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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, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations. + References No definition available. + Details
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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719 + Details
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- Details
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