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Schedule of Revenue by Product Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting [Abstract]
Revenue	$ 2,720,764	$ 2,342,843
Parts and Services
Segment Reporting [Abstract]
Revenue	2,560,305	2,212,941
Other Revenue
Segment Reporting [Abstract]
Revenue	160,459	129,902
North America
Segment Reporting [Abstract]
Revenue	1,329,843	1,208,240
North America | Parts and Services
Segment Reporting [Abstract]
Revenue	1,172,585	1,079,875
Europe
Segment Reporting [Abstract]
Revenue	1,040,430	820,897
Europe | Parts and Services
Segment Reporting [Abstract]
Revenue	1,037,046	819,167
Specialty
Segment Reporting [Abstract]
Revenue	351,792	314,934
Specialty | Parts and Services
Segment Reporting [Abstract]
Revenue	$ 350,674	$ 313,899

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- References

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