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FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS - Estimated Fair Values and Related Carrying Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 14, 2018	Dec. 31, 2017	Oct. 31, 2016	Aug. 31, 2013
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate swap agreements			$ 1,163
Senior Notes | 4.375% Senior Notes, due 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Stated interest rate (as a percent)	4.375%		4.375%		4.375%
Senior Notes | 3.45% Senior Notes, due 2026
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Stated interest rate (as a percent)	3.45%		3.45%	3.45%
Senior Notes | 4.150% Senior Notes, due 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Stated interest rate (as a percent)	4.15%	4.15%
Senior Notes | 4.70% Senior Notes, due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Stated interest rate (as a percent)	4.70%	4.70%
Carry Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate swap agreements	$ 0		$ 1,163
Carry Value | Senior Notes | 4.375% Senior Notes, due 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	248,823		248,567
Carry Value | Senior Notes | 3.45% Senior Notes, due 2026
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	748,282		747,655
Carry Value | Senior Notes | Floating Rate Notes, due 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	496,796		0
Carry Value | Senior Notes | 4.150% Senior Notes, due 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	742,957		0
Carry Value | Senior Notes | 4.70% Senior Notes, due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	1,239,657		0
Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate swap agreements	0		1,163
Fair Value | Senior Notes | 4.375% Senior Notes, due 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	254,218		262,033
Fair Value | Senior Notes | 3.45% Senior Notes, due 2026
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	675,075		741,113
Fair Value | Senior Notes | Floating Rate Notes, due 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	497,425		0
Fair Value | Senior Notes | 4.150% Senior Notes, due 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	727,350		0
Fair Value | Senior Notes | 4.70% Senior Notes, due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt instrument	$ 1,179,625		$ 0

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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=109250915&loc=d3e13433-108611

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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))
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: 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=109250915&loc=d3e13433-108611

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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