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Property and equipment

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Property and equipment

6. Property and equipment

Property and equipment were comprised of the following:

		December 31,
		2016				2015
Land		$	59,013			$	42,080
Buildings			491,301				437,283
Leasehold improvements			2,598,471				2,289,425
Equipment and information systems, including internally developed software			2,378,303				2,080,446
New center and capital asset projects in progress			480,439				336,513
			6,007,527				5,185,747
Less accumulated depreciation			(2,832,160	)			(2,397,007	)
		$	3,175,367			$	2,788,740

Depreciation expense on property and equipment was $545,734, $475,484 and $428,309 for 2016, 2015 and 2014, respectively.

Interest on debt incurred during the development of new centers and other capital asset projects is capitalized as a component of the asset cost based on the respective in-process capital asset balances. Interest capitalized was $12,990, $9,723 and $7,888 for 2016, 2015 and 2014, respectively.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13-14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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