Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

Reference 3: 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(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522

Summary of Significant Accounting Policies (Impact on Consolidated Balance Sheet Upon Adoption of ASC 842) (Detail) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2019	Sep. 30, 2019	Jul. 01, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 67,282			$ 204,202	$ 208,295
Investments in marketable securities	9,229			8,680	7,269
Restricted cash	3,465			1,022	818
Accounts receivable, net	93,394			83,560	81,990
Prepaid expenses and other current assets	45,275			29,313	55,158
Total current assets	389,929			504,700	506,549
Noncurrent assets:
Property and equipment, net	281,975			283,433	275,546
Operating lease assets	187,520			0	0
Deferred income taxes	15,588			18,314	19,141
Intangible assets, net	292,736			297,989	238,613
Goodwill	686,805			687,256	627,594
Other assets, net	82,850			52,113	57,743
Total noncurrent assets	2,000,681			1,737,996	1,615,674
Total assets	2,390,610			2,242,696	2,122,223
Current liabilities:
Accounts payable	31,457			53,385	46,442
Accrued salaries, wages and benefits	39,088			46,664	42,782
Accrued liabilities	89,507			76,529	76,035
Deferred revenue	51,413			95,944	47,097
Current operating lease liabilities	53,029			0	0
Current portion of long-term debt	3,000			3,000	3,000
Total current liabilities	304,188			311,631	244,310
Noncurrent liabilities:
Long-term debt	412,105			398,094	289,084
Long-term operating lease liabilities	180,002			0	0
Deferred income taxes	28,845			29,426	32,398
Other liabilities	91,643			86,326	97,329
Total noncurrent liabilities	788,428			529,992	439,615
Total liabilities	1,092,616			841,623	683,925
Redeemable noncontrolling interest	3,082	$ 3,187		9,543	8,651	$ 8,814	$ 9,110
Shareholders' equity:
Common Stock, $0.01 Par Value	806			801	801
Additional paid-in capital	496,674			486,061	479,946
Retained earnings	2,032,788			2,012,902	1,926,134
Accumulated other comprehensive loss	(159,118)			(137,290)	(143,518)
Treasury Stock, at cost	(1,076,238)			(970,944)	(833,716)
Total shareholders' equity	1,294,912	$ 1,327,193		1,391,530	1,429,647	$ 1,440,035	$ 1,519,286
Total liabilities and shareholders' equity	$ 2,390,610			$ 2,242,696	$ 2,122,223
Common Stock, Par Value	$ 0.01		$ 0.01	$ 0.01	$ 0.01
ASC 842
Current assets:
Cash and cash equivalents			$ 299,445
Investments in marketable securities			8,680
Restricted cash			1,022
Accounts receivable, net			157,829
Prepaid expenses and other current assets			34,241
Total current assets			501,217
Noncurrent assets:
Property and equipment, net			364,683
Operating lease assets			282,978
Deferred income taxes			18,314
Intangible assets, net			418,097
Goodwill			874,451
Other assets, net			62,451
Total noncurrent assets			2,020,974
Total assets			2,522,191
Current liabilities:
Accounts payable			57,627
Accrued salaries, wages and benefits			64,492
Accrued liabilities			69,776
Deferred revenue			99,790
Current operating lease liabilities			66,707
Current portion of long-term debt			3,000
Total current liabilities			361,392
Noncurrent liabilities:
Long-term debt			398,094
Long-term operating lease liabilities			269,387
Deferred income taxes			29,426
Other liabilities			62,819
Total noncurrent liabilities			759,726
Total liabilities			1,121,118
Redeemable noncontrolling interest			9,543
Shareholders' equity:
Common Stock, $0.01 Par Value			801
Additional paid-in capital			486,061
Retained earnings			2,012,902
Accumulated other comprehensive loss			(137,290)
Treasury Stock, at cost			(970,944)
Total shareholders' equity			1,391,530
Total liabilities and shareholders' equity			2,522,191
ASC 842 \| June 30, 2019
Current assets:
Cash and cash equivalents				$ 299,445
Investments in marketable securities				8,680
Restricted cash				1,022
Accounts receivable, net				157,829
Prepaid expenses and other current assets				37,724
Total current assets				504,700
Noncurrent assets:
Property and equipment, net				364,683
Deferred income taxes				18,314
Intangible assets, net				418,097
Goodwill				874,451
Other assets, net				62,451
Total noncurrent assets				1,737,996
Total assets				2,242,696
Current liabilities:
Accounts payable				57,627
Accrued salaries, wages and benefits				64,492
Accrued liabilities				86,722
Deferred revenue				99,790
Current portion of long-term debt				3,000
Total current liabilities				311,631
Noncurrent liabilities:
Long-term debt				398,094
Deferred income taxes				29,426
Other liabilities				102,472
Total noncurrent liabilities				529,992
Total liabilities				841,623
Redeemable noncontrolling interest				9,543
Shareholders' equity:
Common Stock, $0.01 Par Value				801
Additional paid-in capital				486,061
Retained earnings				2,012,902
Accumulated other comprehensive loss				(137,290)
Treasury Stock, at cost				(970,944)
Total shareholders' equity				1,391,530
Total liabilities and shareholders' equity				$ 2,242,696
ASC 842 \| Adjustments due to adoption of ASC 842
Current assets:
Prepaid expenses and other current assets			(3,483)
Total current assets			(3,483)
Noncurrent assets:
Operating lease assets			282,978
Total noncurrent assets			282,978
Total assets			279,495
Current liabilities:
Accrued liabilities			(16,946)
Current operating lease liabilities			66,707
Total current liabilities			49,761
Noncurrent liabilities:
Long-term operating lease liabilities			269,387
Other liabilities			(39,653)
Total noncurrent liabilities			229,734
Total liabilities			279,495
Shareholders' equity:
Total liabilities and shareholders' equity			279,495
ASC 842 \| Adjustments due to adoption of ASC 842 \| Accrued Liabilities [Member]
Shareholders' equity:
Deferred rent liability, current			6,800
Restructuring liability, current			10,100
ASC 842 \| Adjustments due to adoption of ASC 842 \| Prepaid Expenses and Other Current Assets [Member]
Shareholders' equity:
Prepaid Rent			3,500
ASC 842 \| Adjustments due to adoption of ASC 842 \| Other Noncurrent Liabilities [Member]
Shareholders' equity:
Deferred rent liability, Noncurrent			24,800
Restructuring liability, Noncurrent			$ 14,900