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Borrowings - Additional Information (Detail) (USD $) | 6 Months Ended |  |  | 1 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 29, 2014 | May 21, 2014 | Dec. 31, 2013 | May 21, 2014 5.25% Senior Notes due 2024 | Jun. 29, 2014 5.25% Senior Notes due 2024 | Jun. 29, 2014 5.25% Senior Notes due 2024 Minimum | Jun. 29, 2014 5.25% Senior Notes due 2024 Maximum | Jun. 29, 2014 5.25% Senior Notes due 2024 Redemption prior to June 15, 2019 | Jun. 29, 2014 5.25% Senior Notes due 2024 Redemption prior to June 15, 2017 | Mar. 30, 2014 3.875% Convertible Senior Subordinated Notes | Dec. 31, 2013 3.875% Convertible Senior Subordinated Notes | Jun. 29, 2014 3.875% Convertible Senior Subordinated Notes
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
5.25% Senior Notes due 2024 | $ 250,000,000 | $ 250,000,000 |  |  |  |  |  |  |  |  |  |
Debt instrument, stated interest rate | 3.875% |  |  | 5.25% | 5.25% |  |  |  |  |  | 3.875% | 3.875%
Debt instrument, interest payment commencing date |  |  |  | Dec. 15, 2014 |  |  |  |  |  |  |  |
Debt instrument maturity date | Jul. 16, 2018 |  |  | Jun. 15, 2024 | Jun. 15, 2024 |  |  |  |  |  |  | Aug. 01, 2017
Transaction fees |  |  |  | 4,700,000 |  |  |  |  |  |  |  |
Proceed from senior Notes used to repay revolving line of credit |  |  |  | 245,000,000 |  |  |  |  |  |  |  |
Percent of redemption price to principal amount any time on or after June 15, 2019 |  |  |  |  | 102.625% |  |  |  |  |  |  |
Declining percent of redemption price to principal amount on June 15, 2022 |  |  |  |  |  | 0.875% | 100.00% |  |  |  |  |
Debt instrument, earliest date of redemption |  |  |  |  | Jun. 15, 2019 |  |  |  |  |  |  |
Redemption price percentage |  |  |  |  |  |  |  | 100.00% | 105.25% |  |  |
Make-whole premium as percentage of principal amount of 2024 Notes subject to redemption |  |  |  |  |  |  |  | 1.00% |  |  |  |
Basis spread |  |  |  |  |  |  |  | 0.50% |  |  |  |
Percent of principal amount of notes redeemable |  |  |  |  |  |  |  |  | 35.00% |  |  |
Convertible notes, threshold number of trading days to trigger conversion feature |  |  |  |  |  |  |  |  |  |  |  | 20 days
Convertible notes, threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 130.00% | 130.00% |
Conversion price, per share |  |  |  |  |  |  |  |  |  | $ 61.32 |  |
Convertible notes, stock price trigger |  |  |  |  |  |  |  |  |  | $ 79.72 |  |
Total Long-term Debt | $ 1,057,573,000 |  | $ 1,281,587,000 |  |  |  |  |  |  |  |  |

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