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v3.3.1.900

Borrowings - Additional Information (Detail) $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2011 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 | Dec. 09, 2011 USD ($) | Dec. 06, 2010 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Credit facility, term |  |  | 5 years |  |  |  |
Replaced credit facility due to expire |  |  | $ 600,000 |  |  |  |
Revolving facility principal amount |  |  | $ 700,000 |  |  |  |
Revolving facility expiration date |  |  | Jun. 23, 2020 |  |  |  |
Revolving facility, extension term |  |  | 1 year |  |  |  |
Aggregate commitments of designated borrowers under the Credit Facility |  |  | $ 350,000 |  |  |  |
Long-term debt outstanding |  |  | 847,436 | $ 865,626 |  |  |
Other Borrowings |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Other borrowings |  |  | $ 2,436 | 2,170 |  |  |
Other Borrowings | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  |  | 0.20% |  |  |  |
Other Borrowings | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  |  | 2.80% |  |  |  |
Letters Of Credit |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving facility principal amount |  |  | $ 75,000 |  |  |  |
Swing line Loans |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving facility principal amount |  |  | $ 50,000 |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Applicable margin over LIBOR |  |  | 1.10% |  |  |  |
Basis spread on variable rate |  |  | 0.20% |  |  |  |
Outstanding letters of credit |  |  | $ 7,200 |  |  |  |
Current borrowings under revolving facility |  |  | 195,000 | 115,000 |  |  |
Revolving Facility, amount available to borrow |  |  | $ 497,800 |  |  |  |
Stated interest rate |  |  | 1.51% |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Applicable margin over LIBOR |  |  | 0.005% |  |  |  |
Interest coverage ratio |  |  | 3.0 |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Applicable margin over LIBOR |  |  | 1.50% |  |  |  |
Leverage ratio |  |  | 3.50 |  |  |  |
2.58% Senior Euro Notes, due June 2015 |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Long-term debt outstanding |  |  | $ 0 | $ 98,456 |  |  |
Stated interest rate |  |  | 2.58% |  |  |  |
Debt instrument maturity period |  |  | Jun. 30, 2015 | Jun. 30, 2015 |  |  |
4.5% Senior Notes, due December 2020 |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Long-term debt outstanding |  |  | $ 300,000 | $ 300,000 |  |  |
Stated interest rate |  |  | 4.50% |  |  |  | 4.50%
Debt instrument maturity period |  | Dec. 15, 2020 | Dec. 31, 2020 | Dec. 31, 2020 |  |  |
Debt instrument face amount |  |  |  |  |  |  | $ 300,000
Net proceeds from debt offering |  |  |  |  |  |  | 295,700
Debt offering initial discount |  |  |  |  |  |  | $ 1,600
Debt offering underwriting commission |  | $ 1,900 |  |  |  |  |
Estimated offering expenses |  | $ 800 |  |  |  |  |
Contingent percentage of principal amount plus accrued and unpaid interest |  | 101.00% |  |  |  |  |
Outstanding repayment of indebtedness |  | $ 250,000 |  |  |  |  |
4.2% Senior Notes, due December 2021 |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Long-term debt outstanding |  |  | $ 350,000 | $ 350,000 |  |  |
Principal amount of private placement | $ 350,000 |  |  |  |  |  |
Stated interest rate |  |  | 4.20% |  | 4.20% | 4.20% |
Debt instrument maturity period | Dec. 15, 2021 |  | Dec. 31, 2021 | Dec. 31, 2021 |  |  |
Net proceeds from debt offering |  |  |  |  |  | $ 346,200 |
Debt offering initial discount |  |  |  |  |  | $ 900 |
Debt offering underwriting commission | $ 2,300 |  |  |  |  |  |
Estimated offering expenses | 600 |  |  |  |  |  |
Contingent percentage of principal amount plus accrued and unpaid interest |  |  | 101.00% |  |  |  |
Outstanding repayment of indebtedness | $ 306,000 |  |  |  |  |  |

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