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Long-Term Debt and Short-Term Debt - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 19, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015 | Nov. 09, 2015
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, Additional borrowing feature, amount |  | $ 100,000,000 |  |  |
Debt issuance costs paid |  |  | $ 132,000 |  |
Interest payable |  | Semi-annually |  |  |
Effective registrant statement |  | SEC and cause that registration statement to be declared effective 300 days of the issue date of the Senior Notes. |  |  |
Annual interest rate applicable if register of notes fails |  | 0.25% |  |  |
Additional interest rate applicable if default continues |  | 0.25% |  |  |
Subsequent period on default occurs |  | 90 days |  |  |
Maximum additional interest rate applicable on defaults |  | 1.00% |  |  |
New Senior Credit Facilities [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument minimum Basis variable rate |  | 1.00% |  |  |
New Senior Credit Facilities [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument, applicable margin |  | 3.75% |  |  |
New Senior Credit Facilities [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument, applicable margin |  | 4.75% |  |  |
New Senior Secured Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Percentage of borrowings under line of credit facility to be exceeded aggregate commitments to maintain net leverage ratio |  | 30.00% |  |  |
Debt issuance costs |  | $ 2,300,000 |  |  |
New Senior Secured Revolving Credit Facility [Member] | PEP [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, Expiration period | 5 years |  |  |  |
Line of credit facility, Additional borrowing feature, amount | $ 100,000,000 |  |  |  |
New Senior Secured Revolving Credit Facility [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument, applicable margin |  | 2.50% |  |  |
New Senior Secured Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument, applicable margin |  | 3.50% |  |  |
New Term Loan Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Proceeds from credit facility |  | $ 50,000,000 |  |  |
Debt issuance costs |  | $ 21,100,000 |  |  |
New Term Loan Credit Facility [Member] | PEP [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, Maximum borrowing capacity | $ 525,000,000 |  |  |  |
Line of credit facility, Expiration period | 7 years |  |  |  |
French Safeguard [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument interest rate stated percentage |  | 0.00% |  |  |
French Safeguard Obligations |  | $ 507,000 |  | $ 2,000,000 |
Current maturities of French Safeguard obligations |  | 400,000 |  |  |
Noncurrent maturities of French Safeguard obligations |  | $ 100,000 |  |  |
Chinese [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Lines of credit annual interest rate |  | 4.95% |  |  |
Senior Notes Due 2020 [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument face amount |  | $ 250,000,000 |  | $ 250,000,000 |
Debt instrument interest rate stated percentage |  | 10.25% |  | 10.25% |
Notes repurchased |  |  |  |  | $ 50,000,000
Debt issuance costs |  | $ 5,700,000 |  | $ 5,900,000 |
Debt issuance costs paid |  | 7,300,000 |  |  |
Proceeds from senior notes |  | 293,300,000 |  |  |
Senior notes, net of discount |  | $ 6,800,000 |  |  |
Senior Notes Due 2020 [Member] | PEP [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument face amount | $ 300,000,000 |  |  |  |
Debt instrument interest rate stated percentage | 10.25% |  |  |  |
Minimum [Member] | French Safeguard [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Creditor's claim period |  | 10 years |  |  |
Minimum [Member] | Brazilian [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Lines of credit annual interest rate |  | 2.50% |  |  |
Maximum [Member] | Brazilian [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Lines of credit annual interest rate |  | 9.10% |  |  |

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