Summary of Significant Accounting Policies Summary of Significant Accounting Policies, Cash Flow (Details) - USD ($)
$ / shares in Units, $ in Thousands |
3 Months Ended |
12 Months Ended |
|
Dec. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
|
| Net cash provided by operating activities |
|
$ 628,755
|
$ 615,830
|
$ 503,372
|
|
| Capital expenditures |
|
(239,957)
|
(235,545)
|
(214,501)
|
|
| Business acquisitions, net of cash acquired |
|
(55,644)
|
(176,252)
|
(64,652)
|
|
| Proceeds from divestitures and sales of property and equipment |
|
77,074
|
37,309
|
52,381
|
|
| Payment to Acquire Life Insurance Policy, Investing Activities |
|
(9,026)
|
(14,760)
|
(7,360)
|
|
| Proceeds from Life Insurance Policy |
|
0
|
4,824
|
2,592
|
|
| Payments for (Proceeds from) Other Investing Activities |
|
415
|
(14,525)
|
175
|
|
| Net Cash Provided by (Used in) Investing Activities |
|
(278,511)
|
(414,621)
|
(242,884)
|
|
| Proceeds from issuance of long-term debt |
|
1,149,263
|
396,349
|
1,787,500
|
|
| Debt issuance costs |
|
(15,539)
|
0
|
(12,939)
|
|
| Scheduled payments of debt |
|
(25,471)
|
(34,134)
|
(468,973)
|
|
| Principal payments on finance leases |
|
(42,627)
|
(39,686)
|
(51,106)
|
|
| Proceeds from exercise of stock options |
|
40,922
|
24,517
|
33,611
|
|
| Purchase of Company common stock |
|
(129,589)
|
(277,611)
|
(199,637)
|
|
| Payments of dividends |
|
(131,402)
|
(123,849)
|
(108,750)
|
|
| Purchase of noncontrolling interest |
|
0
|
0
|
(4,580)
|
|
| Bank overdrafts and other |
|
328
|
(15,177)
|
5,959
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
(319,093)
|
(329,181)
|
(136,427)
|
|
| Effect of foreign currency |
|
3,885
|
(5,045)
|
5,034
|
|
| Net (decrease) increase in cash, cash equivalents, and restricted cash |
|
35,036
|
(133,017)
|
129,095
|
|
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
$ 207,584
|
242,620
|
$ 207,584
|
$ 340,601
|
$ 211,506
|
| Impact From Change in Depreciable Lives |
$ 4,300
|
$ 12,100
|
|
|
|
| New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Basic Earnings Per Share |
$ 0.02
|
$ 0.07
|
|
|
|