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v3.20.1

Debt - Additional Information (Detail) |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 24, 2019 USD ($) d | Sep. 30, 2018 USD ($) | Mar. 31, 2020 USD ($) $ / shares | Mar. 31, 2019 USD ($) | Oct. 23, 2019 USD ($) | Jun. 30, 2019 USD ($) | Aug. 31, 2017 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt extinguishment costs |  |  | $ 3,960,000 | $ 0 |  |  |
Available credit under lines of credit |  |  | $ 358,600,000 |  |  |  |
Weighted average interest rate of total borrowings |  |  | 3.70% | 1.60% |  |  |
0.25% Convertible Senior Note Due 2022 |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, interest rate |  |  | 0.25% | 0.25% |  |  |
Unamortized discount amount |  |  | $ 29,700,000 |  |  | $ 38,300,000 |
Amortization period |  |  | 3 years |  |  |  |
Aggregate principal amount |  |  |  |  |  |  | $ 345,000,000
Debt instrument conversion rate, shares issued per $1,000 principal amount (in usd per share) |  |  | 21.25 |  |  |  |
Debt instrument conversion, principal amount of each note converted |  |  | $ 1,000 |  |  |  |
Debt instrument conversion, conversion price per share (in usd per share) | $ / shares |  |  | $ 47.06 |  |  |  |
Debt instrument conversion, If-converted value of notes |  | $ 268,000,000.0 | $ 208,900,000 |  |  |  |
Effective interest rate |  |  | 4.50% |  |  |  |
0.50% Finisar Convertible Notes |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Obligated to repay outstanding principal in quarterly installments, percentage | 100.00% |  |  |  |  |  |
Debt instrument, interest rate | 0.50% |  | 0.50% |  |  |  |
Aggregate principal amount | $ 560,100,000 |  |  |  |  |  |
Debt instrument, repurchase amount |  |  |  |  | $ 561,100,000 |  |
Line of credit, outstanding |  |  | $ 14,900,000 |  |  |  |
Bank of America, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Letter of credit sub-facility maximum borrowing capacity | 25,000,000.0 |  |  |  |  |  |
Swing loan sub-facility maximum initial borrowing capacity | 20,000,000.0 |  |  |  |  |  |
Senior Secured Credit Facility | Bank of America, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | 2,425,000,000 |  |  |  |  |  |
Term A Loan Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Proceeds from term loan | 561,000,000.0 |  |  |  |  |  |
Term A Loan Facility | Bank of America, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 1,255,000,000 |  |  |  |  |  |
Debt agreement term | 5 years |  |  |  |  |  |
Obligated to repay outstanding principal in quarterly installments, percentage | 1.25% |  |  |  |  |  |
Term B Loan Facility | Bank of America, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 720,000,000 |  |  |  |  |  |
Debt agreement term | 7 years |  |  |  |  |  |
Obligated to repay outstanding principal in quarterly installments, percentage | 0.25% |  |  |  |  |  |
Revolving Credit Facility | Bank of America, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Aggregate principal amount | $ 450,000,000 |  |  |  |  |  |
Debt agreement term | 5 years |  |  |  |  |  |
New Senior Credit Facilities |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt issuance costs incurred |  |  | 69,800,000 |  |  |  |
Debt issuance costs capitalized |  |  | 65,800,000 |  |  |  |
Debt extinguishment costs |  |  | 4,000,000.0 |  |  |  |
Debt issuance expense |  |  | 5,900,000 |  |  |  |
Unamortized discount amount |  |  | $ 59,800,000 |  |  |  |
New Senior Credit Facilities | Fifth Fiscal Quarter Through Eighth Fiscal Quarter After Closing Date |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Leverage ratio | 4.50 |  |  |  |  |  |
New Senior Credit Facilities | Subsequent Fiscal Quarter |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Leverage ratio | 4.00 |  |  |  |  |  |
New Senior Credit Facilities | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Interest coverage ratio | 3.00 |  |  |  |  |  |
Amortization period |  |  | 5 years |  |  |  |
New Senior Credit Facilities | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Amortization period |  |  | 7 years |  |  |  |
New Senior Credit Facilities | Maximum | First Four Fiscal Quarters After Closing Date |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Leverage ratio | 5.00 |  |  |  |  |  |
New Senior Credit Facilities | Federal Funds Rate |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate | 0.50% |  |  |  |  |  |
New Senior Credit Facilities | Eurodollar |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, rate added on variable rate | 1.00% |  |  |  |  |  |
New Senior Credit Facilities | 0.25% Convertible Senior Note Due 2022 | I I V I Notes |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Number of days prior to maturity of outstanding | d | 120 |  |  |  |  |  |
Debt instrument, interest rate | 0.25% |  |  |  |  |  |

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- Definition Letter of credit sub facility maximum borrowing capacity. + References No definition available. + Details
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- Definition Swing loan sub facility maximum initial borrowing capacity. + References No definition available. + 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 Period of time between issuance and maturity of debt instrument, 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 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 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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