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v3.20.1

Credit Agreements - Additional Information (Details) ¥ in Millions |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 26, 2020 USD ($) | Apr. 03, 2018 USD ($) | May 31, 2018 USD ($) | Mar. 31, 2015 USD ($) | Mar. 31, 2020 USD ($) | Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Mar. 31, 2020 CNY (¥) | Sep. 30, 2019 CNY (¥)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, net |  |  |  |  | $ 817,400,000 | $ 817,400,000 | $ 819,000,000.0 |  |
Letters of credit outstanding |  |  |  |  | 62,200,000 | 62,200,000 |  |  |
Long term debt |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 7,600,000 | 7,600,000 | 6,000,000.0 |  |
Debt issuance costs capitalized | $ 2,900,000 |  |  |  |  |  |  |  |
Uncommitted Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Available borrowing capacity | ¥ |  |  |  |  |  |  |  |  | ¥ 220.0
Long term debt |  |  |  |  |  |  |  |  |
Line of credit outstanding |  |  |  |  | 4,900,000 | $ 4,900,000 |  | ¥ 35.0 |
Line of credit variable interest rate |  |  |  |  |  | 3.50% |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 850,000,000 |  |  |  |  |  |  |
Maturity month and year |  | 2023-04 |  |  |  |  |  |  |
Available borrowing capacity |  |  |  |  | 787,800,000 | $ 787,800,000 |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letter of credit fees percentage on available borrowing capacity, low end of range (as a percent) |  |  |  |  |  | 0.563% |  |  |
Letter of credit fees percentage on available borrowing capacity, high end of range (as a percent) |  |  |  |  |  | 1.75% |  |  |
Senior Term Loan |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maturity month and year |  | 2023-04 |  |  |  |  |  |  |
Debt, net |  | $ 325,000,000 |  |  | 224,600,000 | $ 224,600,000 | 274,400,000 |  |
Quarterly principal installment, at commencement |  | 4,100,000 |  |  |  |  |  |  |
Payment due at maturity |  | $ 264,100,000 |  |  |  |  |  |  |
Amount of balloon payment paid |  |  |  |  | $ 39,100,000 |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 2.24% | 2.24% |  | 2.24% |
Long term debt |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  | $ 49,200,000 |  |  |  |  |  |
Debt issuance costs |  |  |  |  | $ 400,000 | $ 400,000 | $ 600,000 |  |
Senior Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest spread in basis points (as a percent) |  |  |  |  |  | 1.25% |  |  |
Maximum leverage ratio |  |  |  |  | 3.75 | 3.75 |  | 3.75 |
Minimum interest coverage ratio |  |  |  |  | 2.50 | 2.50 |  | 2.50 |
Senior Credit Agreement | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, unused commitment fee rate (as a percent) |  |  |  |  |  | 0.125% |  |  |
Senior Credit Agreement | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, unused commitment fee rate (as a percent) |  |  |  |  |  | 0.275% |  |  |
Senior Credit Agreement | Federal Funds Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest spread in basis points (as a percent) |  |  |  |  |  | 0.50% |  |  |
Senior Credit Agreement | LIBOR |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest spread in basis points (as a percent) |  |  |  |  |  | 1.00% |  |  |
5.375% Senior Notes due March 2025 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maturity month and year |  |  |  |  |  |  | 2025-03 |  |
Debt, net |  |  |  |  |  |  | $ 248,000,000.0 |  |
Long term debt |  |  |  |  |  |  |  |  |
Debt issued |  |  |  | $ 250,000,000.0 |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  | 5.375% | 5.375% |  |  | 5.375% |  | 5.375%
Maturity date |  |  |  | Mar. 01, 2025 |  |  |  |  |
Debt issuance costs |  |  |  |  |  |  | $ 2,000,000.0 |  |
5.375% Senior Notes due March 2025 | Interest Expense |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  |  |  |  |  |
Debt issuance costs | 8,500,000 |  |  |  |  |  |  |  |
4.600% Senior Notes Due May 2028 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maturity month and year |  |  |  |  | 2028-05 |  | 2028-05 |  |
Debt, net |  |  |  |  | $ 296,800,000 | $ 296,800,000 | $ 296,600,000 |  |
Long term debt |  |  |  |  |  |  |  |  |
Debt issued |  |  | $ 300,000,000.0 |  |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  | 4.60% |  | 4.60% | 4.60% | 4.60% | 4.60% | 4.60%
Maturity date |  |  | May 15, 2028 |  |  |  |  |  |
Debt issuance costs |  |  |  |  | $ 3,200,000 | $ 3,200,000 | $ 3,400,000 |  |
Debt instruments |  |  |  |  |  |  |  |  |
Debt instrument, fair value |  |  |  |  | $ 288,000,000 | 288,000,000 | $ 322,000,000 |  |
3.100% Senior Notes due March 2030 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maturity month and year |  |  |  |  | 2030-03 |  |  |  |
Debt, net |  |  |  |  | $ 296,000,000.0 | $ 296,000,000.0 |  |  |
Long term debt |  |  |  |  |  |  |  |  |
Debt issued | $ 300,000,000.0 |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  | 3.10% |  | 3.10% | 3.10% |  | 3.10% |
Maturity date | Mar. 01, 2030 |  |  |  |  |  |  |  |
Debt instrument, redemption discount | $ 1,200,000 |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | $ 4,000,000.0 | $ 4,000,000.0 |  |  |
Debt instruments |  |  |  |  |  |  |  |  |
Debt instrument, fair value |  |  |  |  | $ 295,000,000 | $ 295,000,000 |  |  |

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- Definition The numerator of the minimum interest coverage ratio (i.e., the Company's consolidated EBITDA to the Company's consolidated cash interest expenses) required to be maintained by the entity as of the last day of any fiscal quarter. + References No definition available. + Details
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- Definition Represents the minimum fees for the letter of credit facility, expressed as a percent of the maximum amount available to be drawn against the letter of credit issued and outstanding under the credit facility. + References No definition available. + Details
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- Definition Represents the maximum fees for the letter of credit facility, expressed as a percent of the maximum amount available to be drawn against each letter of credit issued and outstanding under the credit facility. + References No definition available. + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + 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=117815213&loc=d3e19207-110258 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + 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 210.5-02.17) -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 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + 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=119400593&loc=d3e572229-122910 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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 effective interest rate during the reporting period. + 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 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 fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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)(3) -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(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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 4: 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 + Details
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