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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The price per share of the conversion feature embedded in the debt instrument.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Convertible Senior Notes (Detail)			1 Months Ended									2 Months Ended	3 Months Ended	12 Months Ended
Convertible Senior Notes (Detail)	Oct. 20, 2021 USD ($)	Jun. 18, 2014 USD ($) derivative $ / derivative	Aug. 29, 2020 shares	Jul. 31, 2020 USD ($) shares	May 31, 2020 USD ($) shares	Sep. 30, 2019 USD ($) D $ / shares	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($) D derivative $ / shares $ / derivative shares	Jul. 31, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Nov. 02, 2019 $ / shares shares	Aug. 01, 2020 USD ($)	Jan. 29, 2022 USD ($) $ / shares $ / derivative shares	Jan. 30, 2021 USD ($) shares	Feb. 01, 2020 USD ($) shares
Debt Instrument
Debt instrument, principal amount	$ 2,000,000,000
Debt default conditions
Debt instrument, issuance date	Oct. 20, 2021
Debt instrument, maturity date	Oct. 20, 2028
Debt instrument, conversion principal amount								$ 1,000
Amortization of debt discount														$ 28,816,000	$ 42,372,000	$ 46,245,000
Debt amount settled in cash														335,729,000	215,846,000	278,560,000
(Gain) Loss on extinguishment of debt														$ (29,138,000)	$ 152,000	(6,472,000)
Total cost of convertible note hedge transactions																91,350,000
Cash proceeds from sale of warrants																$ 50,225,000
Provision at federal statutory tax rate														21.00%	21.00%	21.00%
Shares acquired from notes settlement \| shares														0	0
Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Shares issued upon conversion \| shares																167,100
Deferred tax asset						$ 23,000,000
Common Stock [Member]
Debt default conditions
Shares acquired from notes settlement \| shares															600	2,167,396
Convertible senior notes due 2024
Debt Instrument
Debt instrument, principal amount						$ 350,000,000								$ 219,638,000	$ 350,000,000
Debt default conditions
Debt instrument, issuance date						Sep. 30, 2019
Debt default, failure to pay due indebtedness, threshold amount						$ 20,000,000
Debt default, failure to pay due indebtedness, threshold period						30 days
Percentage of aggregate principal amount of notes outstanding						25.00%
Debt instrument, maturity date						Sep. 15, 2024
Debt instrument, initial conversion rate						100
Debt instrument, conversion principal amount						$ 1,000
Conversion price per share \| $ / shares						$ 211.40
Premium on stock trigger price						25.00%
Debt instrument, convertible, stock price trigger \| $ / shares						$ 169.12						$ 169.12
Debt instrument, conversion description						The initial conversion rate applicable to the 2024 Notes is 4.7304 shares of common stock per $1,000 principal amount of 2024 Notes, or a total of approximately 1.656 million shares for the total $350 million principal amount. This initial conversion rate is equivalent to an initial conversion price of approximately $211.40 per share, which represents a 25% premium to the $169.12 closing share price on the day the 2024 Notes were priced.
Debt instrument, convertible earliest date						Jun. 15, 2024
Debt instrument, effective interest rate						5.74%
Discounts and commissions payable						$ 3,500,000								30,341,000	65,818,000
Third party offering costs						$ 1,300,000
Amortization of debt issuance costs														700,000	700,000	$ 200,000
Amortization of debt discount														15,000,000	16,000,000	6,000,000
Debt amount settled in cash														$ 130,000,000
Shares issued upon conversion \| shares														419,182
(Gain) Loss on extinguishment of debt														$ 10,000,000
Deferred tax liability														$ 22,000,000
Shares acquired from notes settlement \| shares														419,172
Convertible senior notes due 2024 \| Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Debt instrument, issuance date												Sep. 30, 2019
Conversion price per share \| $ / shares						$ 211.40
Premium on stock trigger price												100.00%
Shares issued upon conversion \| shares												1,656,000		10
Convertible note hedge, number of shares						1,656,000
Convertible note hedge, description														we entered into convertible note hedge transactions whereby we have the option to purchase a total of approximately 1.656 million shares of our common stock at a price of approximately $211.40 per share.
Total cost of convertible note hedge transactions						$ 91,000,000
Cash proceeds from sale of warrants						$ 50,000,000
Warrants price per share \| $ / shares						$ 338.24
Convertible senior notes due 2024 \| Convertible Bond Hedge and Warrant Transactions [Member] \| Maximum [Member]
Debt default conditions
Warrants sold to purchase common stock \| shares												3,300,000
Convertible senior notes due 2024 \| Convertible Debt Instrument Conversion Period One [Member]
Debt default conditions
Debt instrument, convertible trading days \| D						20
Debt instrument, convertible consecutive trading days \| D						30
Debt instrument, convertible percentage of stock price						130.00%
Convertible senior notes due 2024 \| Convertible Debt Instrument Conversion Period Two [Member]
Debt default conditions
Debt instrument, convertible trading days \| D						5
Debt instrument, convertible consecutive trading days \| D						10
Debt instrument, convertible percentage of stock price						98.00%
Convertible senior notes due 2024 \| Common Stock [Member]
Debt default conditions
Debt instrument, initial conversion rate						4.7304
Conversion price per share \| $ / shares														$ 211.40
Convertible Senior Notes Due 2023 [Member]
Debt Instrument
Debt instrument, principal amount														$ 74,390,000	335,000,000
Debt default conditions
Debt default, failure to pay due indebtedness, threshold amount								$ 20,000,000
Debt default, failure to pay due indebtedness, threshold period								30 days
Percentage of aggregate principal amount of notes outstanding								25.00%
Debt instrument, maturity date								Jun. 15, 2023
Debt instrument, initial conversion rate								100
Debt instrument, convertible earliest date								Mar. 15, 2023						Mar. 15, 2023
Deemed elected combination settlement amount per note to be received upon conversion								$ 1,000
Debt instrument, effective interest rate								6.35%
Discounts and commissions payable								$ 1,700,000						$ 5,684,000	47,064,000
Third party offering costs								$ 4,600,000
Amortization of debt issuance costs														800,000	1,000,000.0	900,000
Amortization of debt discount														14,000,000	18,000,000	17,000,000
Debt amount settled in cash														$ 261,000,000
Shares issued upon conversion \| shares														958,330
(Gain) Loss on extinguishment of debt														$ 19,000,000
Warrants sold to purchase common stock \| shares								1,730,000
Cash proceeds from sale of warrants								$ 51,000,000
Warrants price per share \| $ / shares								$ 309.84
Shares acquired from notes settlement \| shares														958,307
Convertible Senior Notes Due 2023 [Member] \| Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Debt instrument, issuance date								Jun. 30, 2018
Conversion price per share \| $ / shares								$ 309.84
Shares issued upon conversion \| shares														23
Convertible note hedge, number of shares \| derivative								1,730,000
Convertible note hedge, price per share \| $ / derivative								193.65
Convertible note hedge, description														we entered into convertible note hedge transactions whereby we have the option to purchase a total of approximately 1.730 million shares of our common stock at a price of approximately $193.65 per share
Total cost of convertible note hedge transactions								$ 92,000,000
Deferred tax liability														$ 22,000,000
Deferred tax asset														$ 23,000,000
Convertible Senior Notes Due 2023 [Member] \| Convertible Bond Hedge and Warrant Transactions [Member] \| Warrants Subject to Certain Adjustment Mechanisms [Member] \| Maximum [Member]
Debt default conditions
Warrants sold to purchase common stock \| shares								3,500,000
Convertible Senior Notes Due 2023 [Member] \| Convertible Debt Instrument Conversion Period One [Member]
Debt default conditions
Debt instrument, convertible trading days \| D								20
Debt instrument, convertible consecutive trading days \| D								30
Debt instrument, convertible percentage of stock price								130.00%
Convertible Senior Notes Due 2023 [Member] \| Convertible Debt Instrument Conversion Period Two [Member]
Debt default conditions
Debt instrument, convertible trading days \| D								5
Debt instrument, convertible consecutive trading days \| D								10
Debt instrument, convertible percentage of stock price								98.00%
Convertible Senior Notes Due 2023 [Member] \| Common Stock [Member]
Debt default conditions
Debt instrument, initial conversion rate								5.1640
Debt instrument, conversion principal amount								$ 1,000
Conversion price per share \| $ / shares								$ 193.65						$ 193.65
Debt instrument, conversion description								The initial conversion rate applicable to the 2023 Notes is 5.1640 shares of common stock per $1,000 principal amount of 2023 Notes, which is equivalent to an initial conversion price of approximately $193.65 per share.
Convertible Senior Notes Due 2020 [Member]
Debt Instrument
Debt instrument, principal amount										$ 300,000,000
Debt default conditions
Debt instrument, issuance date										Jun. 30, 2015
Debt instrument, effective interest rate										6.47%
Amortization of debt issuance costs															600,000	1,200,000
Amortization of debt discount															$ 8,900,000	18,000,000
Debt amount settled in cash				$ 291,000,000	$ 9,200,000
Aggregate amounts outstanding				$ 291,000,000	$ 9,400,000
Shares issued upon conversion \| shares				1,116,718	14,927
(Gain) Loss on extinguishment of debt				$ 0									$ 200,000
Shares acquired from notes settlement \| shares			17
Convertible Senior Notes Due 2020 [Member] \| Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Debt instrument, issuance date										Jun. 30, 2015
Shares issued upon conversion \| shares															1,386,580
Convertible note hedge, description									we entered into convertible note hedge transactions whereby we had the option to purchase a total of approximately 2.540 million shares of our common stock at a price of approximately $118.13 per share.
Total cost of convertible note hedge transactions										$ 68,000,000
Warrants sold to purchase common stock \| shares										2,540,000
Cash proceeds from sale of warrants										$ 30,000,000
Warrants price per share \| $ / shares										$ 189.00
Shares received upon exercise of warrants \| shares				1,116,735	14,927
Convertible Senior Notes Due 2020 [Member] \| Common Stock [Member]
Debt default conditions
Conversion price per share \| $ / shares														$ 118.13
Convertible Senior Notes Due 2020 [Member] \| Common Stock [Member] \| Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Conversion price per share \| $ / shares									$ 118.13
Shares issued upon conversion \| shares														2,540,000
Warrants price per share \| $ / shares										$ 189.00
Convertible Senior Notes Due 2019 [Member]
Debt Instrument
Aggregate principal amount							$ 350,000,000
Debt instrument, principal amount											$ 350,000,000
Debt instrument, interest rate											0.00%
Debt default conditions
Debt instrument, issuance date											Jun. 30, 2014
Amortization of debt issuance costs																400,000
Amortization of debt discount																5,900,000
Debt amount settled in cash							$ 349,000,000
Shares issued upon conversion \| shares							42
(Gain) Loss on extinguishment of debt																$ 1,000,000.0
Convertible Senior Notes Due 2019 [Member] \| Convertible Bond Hedge and Warrant Transactions [Member]
Debt default conditions
Convertible note hedge, number of shares \| derivative		3,015,000
Convertible note hedge, price per share \| $ / derivative		116.09												116.09
Convertible note hedge, description														we entered into convertible note hedge transactions whereby we had the option to purchase a total of approximately 3.015 million shares of our common stock at a price of approximately $116.09 per share.
Total cost of convertible note hedge transactions		$ 73,000,000
Warrants sold to purchase common stock \| shares														3,015,000.000
Cash proceeds from sale of warrants														$ 40,000,000
Warrants price per share \| $ / shares														$ 171.98
Convertible note hedge, overall price per share \| $ / shares														171.98
Convertible Senior Notes Due 2019 [Member] \| Common Stock [Member]
Debt default conditions
Conversion price per share \| $ / shares														$ 116.09
Private Placement [Member] \| Convertible senior notes due 2024
Debt Instrument
Debt instrument, principal amount						$ 350,000,000
Debt instrument, interest rate						0.00%
Private Placement [Member] \| Convertible Senior Notes Due 2023 [Member]
Debt Instrument
Debt instrument, principal amount								$ 300,000,000							$ 335,000,000
Debt instrument, interest rate								0.00%
Debt default conditions
Debt instrument, issuance date								Jun. 30, 2018
Private Placement [Member] \| Convertible Senior Notes Due 2020 [Member]
Debt Instrument
Debt instrument, principal amount										$ 250,000,000
Debt instrument, interest rate										0.00%
Over Allotment Option in Private Placement [Member] \| Convertible Senior Notes Due 2023 [Member]
Debt Instrument
Debt instrument, principal amount								$ 35,000,000
Over Allotment Option in Private Placement [Member] \| Convertible Senior Notes Due 2020 [Member]
Debt Instrument
Debt instrument, principal amount									$ 50,000,000
Debt default conditions
Debt instrument, issuance date									Jul. 31, 2015