XML 69 R58.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt - Additional Information (Detail) |  |  | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 24, 2017 USD ($) | Jul. 28, 2016 USD ($) | Sep. 30, 2018 USD ($) $ / shares | Jun. 30, 2018 USD ($) | Sep. 30, 2018 JPY (¥) | Jun. 30, 2018 JPY (¥) | Sep. 30, 2017
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Available credit under lines of credit |  |  | $ 146,300,000 | $ 246,400,000 |  |  |
Total outstanding letters of credit |  |  | $ 400,000 | 400,000 |  |  |
Weighted average interest rate of total borrowings |  |  | 1.50% |  | 1.50% |  | 1.80%
Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, maximum borrowing capacity |  | $ 325,000,000 |  |  |  |  |
Credit facility, term |  | 5 years |  |  |  |  |
Debt instrument maturity date |  | Jul. 27, 2021 |  |  |  |  |
Term Loans |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, maximum borrowing capacity |  | $ 100,000,000 |  |  |  |  |
Term loan, quarterly principal Payment |  | $ 5,000,000 |  |  |  |  |
Term loan, maturity date |  | Jul. 27, 2021 |  |  |  |  |
Term loan, first quarterly principal payment commencement date |  | Oct. 01, 2016 |  |  |  |  |
Yen denominated line of credit |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, maximum borrowing capacity |  |  | $ 4,400,000 |  | ¥ 500,000,000 |  |
Debt instrument, month and year of maturity |  |  | 2020-08 |  |  |  |
Line of credit, outstanding | ¥ |  |  |  |  | ¥ 300,000,000 | ¥ 300,000,000 |
Maximum | Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Credit facility, optional additional borrowing amount |  | $ 100,000,000 |  |  |  |  |
Base Rate Option | Minimum | Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  | 0.00% |  |  |  |  |
Base Rate Option | Maximum | Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  | 1.25% |  |  |  |  |
Euro Rate Option | Minimum | Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  | 1.00% |  |  |  |  |
Euro Rate Option | Maximum | Revolving Credit Facility |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  | 2.25% |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Term Loans |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  |  | 1.75% |  |  |  |
London Interbank Offered Rate (LIBOR) | Yen denominated line of credit |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  |  | 1.75% |  |  |  |
London Interbank Offered Rate (LIBOR) | Minimum | Yen denominated line of credit |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  |  | 0.625% |  |  |  |
London Interbank Offered Rate (LIBOR) | Maximum | Yen denominated line of credit |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate |  |  | 1.75% |  |  |  |
0.25% Convertible Senior Note Due 2022 |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate |  |  | 0.25% |  | 0.25% |  |
Equity portion of convertible debt |  |  | $ 56,400,000 |  |  |  |
Debt issuance costs |  |  | $ 1,700,000 |  |  |  |
Debt instrument conversion, shares issued per $1,000 principal amount |  |  | 21.25 |  |  |  |
Debt instrument conversion, principal amount of each note converted |  |  | $ 1,000 |  |  |  |
Debt instrument conversion, conversion price per share | $ / shares |  |  | $ 47.06 |  |  |  |
Debt instrument conversion, If-converted value of notes |  |  | $ 346,800,000 | $ 318,500,000 |  |  |
Effective interest rate |  |  | 4.50% |  | 4.50% |  | 4.50%
Unamortized discount |  |  | $ 46,600,000 |  |  |  |
Amortization period |  |  | 4 years |  |  |  |
Debt instrument maturity date |  |  | Sep. 01, 2022 |  |  |  |
0.25% Convertible Senior Note Due 2022 | Initial Purchasers |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 300,000,000 |  |  |  |  |  |
Debt instrument, interest rate | 0.25% |  |  |  |  |  |
0.25% Convertible Senior Notes Over-Allotment Option | Initial Purchasers |  |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 45,000,000 |  |  |  |  |  |
Number of days option granted to purchase additional principal amount of notes | 30 days |  |  |  |  |  |

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- Definition Debt instrument month and year of maturity. + References No definition available. + Details
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- Definition Debt instrument principal amount denomination for conversion into common stock. + References No definition available. + Details
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- Definition Option to purchase additional debt instrument granted days. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 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(a)(5)) -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 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
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- Definition Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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 2: 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 Reference 3: 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 + Details
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- Definition Date the first payment under the line of credit must be paid, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The net amount of stock issued during the period upon the conversion of convertible securities, net of adjustments (for example, to additional paid in capital) including the write-off of an equity component recognized to record the convertible debt instrument as two separate components - a debt component and an equity component. This item is meant to disclose the value of shares issued on conversion of convertible securities that were recorded as two separate (debt and equity) components. + References No definition available. + Details
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