Revolving Term Credit Facilities and Debt - Additional Information - PM Group Short-Term Working Capital Borrowing (Detail) - 12 months ended Dec. 31, 2016 - Short-term Working Capital Borrowings [Member] - PM Group [Member]
€ in Thousands, $ in Thousands |
USD ($)
Bank
|
EUR (€)
Bank
|
| Line of Credit Facility [Line Items] |
|
|
| Line of Credit Facility, Maximum Borrowing Capacity |
$ 24,701
|
€ 23,409
|
| Short-term Debt |
19,271
|
18,263
|
| Italy [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Short-term Debt |
$ 18,456
|
€ 17,491
|
| Italy [Member] | Minimum [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Debt Instrument, Variable interest rate |
1.43%
|
1.43%
|
| Italy [Member] | Maximum [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Debt Instrument, Variable interest rate |
1.78%
|
1.78%
|
| South America [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Number of banks which PM Group established demand credit and overdraft facilities |
6
|
6
|
| Short-term Debt |
$ 815
|
€ 772
|
| South America [Member] | Minimum [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Convertible notes, annual coupon rate |
8.00%
|
8.00%
|
| South America [Member] | Maximum [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Convertible notes, annual coupon rate |
30.00%
|
30.00%
|
| 3-month Euribor [Member] | Bank Overdrafts [Member] | Italy [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Number of banks which PM Group established demand credit and overdraft facilities |
7
|
7
|
| Debt Instrument, Basis Spread on Variable Rate |
3.50%
|
|
| 3-month or 6-month Euribor [Member] | Advances on orders, invoices, and letter of credit [Member] | Italy [Member] |
|
|
| Line of Credit Facility [Line Items] |
|
|
| Debt Instrument, Basis Spread on Variable Rate |
2.00%
|
|