v3.8.0.1

Schedule I, Condensed Financial Statements, of condensed cash flow statements (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Condensed cash flow statements [Abstract] |  |  |
Cash Flow from operating activities | $ 385,623 | $ 334,418 | $ 299,485
Cash Flow-investing activities [Abstract] |  |  |
B. Net cash used in investing activities | 71,368 | (26,359) | (929,850)
Cash Flow-financing activities [Abstract] |  |  |
Dividend paid to shareowner | (99,483) | (35,509) | (137,166)
C. Net cash provided by/(used in) financing activities | (416,327) | (226,103) | 810,931
Net increase/(decrease) in cash and cash equivalents | 40,664 | 81,956 | 180,566
Cash, cash equivalents and bank overdrafts at beginning of the year | 594,811 | 514,712 | 354,154
Cash and cash equivalents at the end of the year | 669,387 | 594,811 | 514,712
Parent Company [Member] |  |  |
Condensed cash flow statements [Abstract] |  |  |
Cash Flow from operating activities | 34,937 | 5,911 | (15,943)
Cash Flow-investing activities [Abstract] |  |  |
Decrease (increase) in investment and advance to affiliates | 151,033 | 97,341 | (939,503)
Net decrease (increase) in other assets | 0 | 0 | (157)
B. Net cash used in investing activities | 151,033 | 97,341 | (939,660)
Cash Flow-financing activities [Abstract] |  |  |
Net increase/(decrease) in borrowings and other liabilities | (64,754) | 0 | 310,462
Dividend paid to shareowner | (94,845) | (26,585) | (128,859)
Capital increase and other | 0 | 0 | 664,120
C. Net cash provided by/(used in) financing activities | (159,599) | (26,585) | 845,723
Net increase/(decrease) in cash and cash equivalents | 26,371 | 76,667 | (109,880)
Cash, cash equivalents and bank overdrafts at beginning of the year | 122,154 | 45,487 | 155,367
Cash and cash equivalents at the end of the year | $ 148,525 | $ 122,154 | $ 45,487

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