XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Borrowings (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2012 USD ($) | Dec. 31, 2018 USD ($) $ / shares | Dec. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) item $ / shares | Dec. 31, 2017 USD ($) | Jun. 30, 2018 USD ($) | Feb. 28, 2017 USD ($) | Dec. 31, 2016 USD ($) | Nov. 30, 2016 USD ($)
Borrowings |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ 149,000 |  | $ 149,000 |  | $ 113,000 |  |  |
Components of long-term debt |  |  |  |  |  |  |  |  |
Term loans |  | 1,321 |  | 1,321 |  | 2,114 |  |  |
Other long-term debt |  | 2,031 |  | 2,031 |  | 1,658 |  |  |
Total |  | 255,291 |  | 255,291 |  | 251,242 |  |  |
Less current portion of long-term debt |  | (2,107) |  | (2,107) |  | (2,262) |  |  |
Long-term portion of debt |  | 253,184 |  | 253,184 |  | 248,980 |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 525,000 | $ 450,000
Sub limit available for letters of credit |  | 300,000 |  | $ 300,000 |  |  |  |  |
Unused commitment fee (as a percent) |  |  |  | 0.20% |  |  |  |  |
Borrowings outstanding |  | 149,000 |  | $ 149,000 |  |  |  |  |
Amount outstanding under lines of credit facilities |  | 58,900 |  | 58,900 |  |  |  |  |
Available credit facility |  | 317,100 |  | $ 317,100 |  |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Unused commitment fee (as a percent) |  |  |  | 0.20% |  |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Increase in the credit agreement's borrowing capacity available under certain circumstances |  | 250,000 |  | $ 250,000 |  |  |  |  |
Unused commitment fee (as a percent) |  |  |  | 0.30% |  |  |  |  |
Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  | 1.50% |  |  |  |  |
Revolving Credit Facility | LIBOR | Minimum |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  | 1.25% |  |  |  |  |
Revolving Credit Facility | LIBOR | Maximum |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) |  |  |  | 2.00% |  |  |  |  |
1.25% Convertible Senior Notes Due 2022 |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Principal amount |  | $ 287,500 |  | $ 287,500 |  |  | $ 287,500 |  |
Interest rate (as a percentage) |  | 1.25% |  | 1.25% |  |  | 1.25% |  |
Conversion ratio |  |  |  | 9.3056 |  |  |  |  |
Conversion price | $ / shares |  | $ 107.46 |  | $ 107.46 |  |  |  |  |
Premium on stock price |  | 38.50% |  | 38.50% |  |  |  |  |
Threshold percentage of stock price |  |  |  | 130.00% |  |  |  |  |
Number of trading days | item |  |  |  | 20 |  |  |  |  |
Number of consecutive trading days | item |  |  |  | 30 |  |  |  |  |
Principal amount of the notes to be repurchased (as a percentage) |  |  |  | 100.00% |  |  |  |  |
Liability component of convertible debt |  | $ 242,400 |  | $ 242,400 |  |  |  |  |
Equity component of convertible debt |  | 45,100 |  | 45,100 |  |  |  |  |
Debt issuance costs |  | 7,700 |  | 7,700 |  |  |  |  |
Debt Component of debt issuance costs |  | 6,500 |  | 6,500 |  |  |  |  |
Equity component of debt issuance costs |  | 1,200 |  | 1,200 |  |  |  |  |
Total interest expense |  | 3,200 | $ 3,100 | 6,300 | $ 6,100 |  |  |  |
Contractual interest expense |  | 900 | 900 | 1,800 | 3,700 |  |  |  |
Amortization of debt discount |  | 2,000 | 1,900 | 3,900 | 1,800 |  |  |  |
Amortization of debt issuance costs |  | 300 | $ 300 | 600 | $ 600 |  |  |  |
Unamortized debt discount |  | $ 31,251 |  | $ 31,251 |  | 35,133 |  |  |
Effective interest rate (as a percent) |  | 4.50% |  | 4.50% |  |  |  |  |
Unamortized debt issuance costs |  | $ 4,310 |  | $ 4,310 |  | 4,897 |  |  |
Stock price per share | $ / shares |  | $ 73.30 |  | $ 73.30 |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |  |
Principal amount |  | $ 287,500 |  | $ 287,500 |  | 287,500 |  |  |
Unamortized discount |  | (31,251) |  | (31,251) |  | (35,133) |  |  |
Unamortized debt issuance costs |  | (4,310) |  | (4,310) |  | (4,897) |  |  |
Total |  | 251,939 |  | 251,939 |  | 247,470 |  |  |
Bank lines of credit |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Amount outstanding under lines of credit facilities |  | 61,600 |  | 61,600 |  |  |  |  |
Available credit facility |  | 6,700 |  | 6,700 |  |  |  |  |
Seven-year term loan due in fiscal 2020 |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ 1,300 |  | $ 1,300 |  | $ 2,100 |  |  |
Principal amount | $ 11,100 |  |  |  |  |  |  |  |
Effective interest rate (as a percent) | 2.20% |  |  |  |  |  |  |  |
Term of loan | 7 years |  |  |  |  |  |  |  |
Seven-year term loan due in fiscal 2020 | LIBOR |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |
Interest rate margin (as a percent) | 1.25% |  |  |  |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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