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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Statement of Cash Flows [Abstract] |  |  |
Net earnings | $ 214,891 | $ 187,329 | $ 145,461
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Depreciation and amortization | 99,995 | 96,008 | 100,810
(Gain) loss on sale of businesses | (875) | (845) | 16,991
(Gain) loss on fixed asset disposals | 29 | (2,069) | (945)
Deferred income taxes | (5,782) | 1,224 | 63,535
Share-based compensation | 11,572 | 9,478 | 9,473
Impairment of assets |  |  | 40,813
Change in operating assets and liabilities, net of businesses acquired and divested: |  |  |
Accounts receivable, net | (16,388) | 91,692 | (77,106)
Inventories, net | 19,711 | 4,391 | (4,039)
Progress payments | (774) | 2,583 | 3,680
Accounts payable and accrued expenses | 4,323 | 4,125 | (447)
Deferred revenue | 36,898 | (11,084) | 4,839
Income taxes | (5,479) | 11,797 | (7,436)
Net pension and postretirement liabilities | 3,481 | 3,405 | (139,610)
Other Operating Activities, Cash Flow Statement |  | 20,405 |
Increase (Decrease) in Other Noncurrent Liabilities | 25,686 | 11,474 | (5,410)
Other current and long-term assets and liabilities | 1,424 | (6,716) | 11,870
Net cash provided by operating activities | 388,712 | 423,197 | 162,479
Cash flows from investing activities: |  |  |
Proceeds from sales and disposals of long-lived assets | 6,769 | 3,674 | 2,277
Proceeds from divestiture | 6,973 | 1,027 | 31,344
Additions to property, plant, and equipment | (52,705) | (46,776) | (35,512)
Acquisition of businesses, net of cash acquired | (232,630) | (295) | (13,228)
Additional consideration of prior period acquisitions | (735) | (564) | (457)
Net cash used for investing activities | (272,328) | (42,934) | (15,576)
Cash flows from financing activities: |  |  |
Borrowings under revolving credit facility | 7,658 | 7,839 | 70,324
Payment of revolving credit facilities | (8,176) | (8,430) | (70,134)
Principal payments on debt | (150,000) | 0 | (8,400)
Repurchases of common stock | (52,127) | (105,249) | (294,130)
Proceeds from share-based compensation | 14,179 | 22,300 | 28,706
Dividends paid | (24,740) | (23,067) | (24,122)
Proceeds from (Payments for) Other Financing Activities | (692) | (635) | (581)
Excess tax benefits from share-based compensation | 0 | 11,101 | 9,119
Net cash provided by financing activities | (213,898) | (96,141) | (289,218)
Effect of exchange-rate changes on cash | 18,786 | (18,971) | (19,104)
Net increase (decrease) in cash and cash equivalents | (78,728) | 265,151 | (161,419)
Cash and cash equivalents at beginning of period | 553,848 | 288,697 | 450,116
Cash and cash equivalents at end of period | 475,120 | 553,848 | 288,697
Supplemental disclosure of non-cash investing activities: |  |  |
Capital Expenditures Incurred but Not yet Paid | $ 976 | $ 2,512 | $ 2,108

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based compensation arrangement. Issuance includes, but is not limited to, exercise of stock options and similar instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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