Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Allowance for Doubtful Accounts | |||
Valuation and Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Period | $ 2,407 | $ 2,491 | $ 2,912 |
Additions Charged to Cost and Expenses | 55 | ||
Deductions | 51 | 84 | 476 |
Balance at End of Period | 2,356 | 2,407 | 2,491 |
Inventory Reserve | |||
Valuation and Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Period | 119,376 | 111,252 | 115,857 |
Additions Charged to Cost and Expenses | 17,493 | 21,332 | 22,193 |
Other | 4,417 | 1,680 | 7,064 |
Deductions | 25,270 | 14,888 | 33,862 |
Balance at End of Period | 116,016 | 119,376 | 111,252 |
Valuation Allowance of Deferred Tax Assets | |||
Valuation and Qualifying Accounts Disclosure [Line Items] | |||
Balance at Beginning of Period | 43,039 | 41,737 | 40,386 |
Additions Charged to Cost and Expenses | 5,413 | 1,322 | 1,380 |
Deductions | 83 | 20 | 29 |
Balance at End of Period | $ 48,369 | $ 43,039 | $ 41,737 |