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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows - operating activities: |  |  |  |
Net income including noncontrolling interests |  | $ 383,701 | $ 132,943 | $ 325,140
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 48,347 | 46,721 | 43,945
Amortization of identifiable intangible assets |  | 64,089 | 59,950 | 48,142
Provision for credit losses |  | 8,041 | 3,269 | 2,628
Deferred income taxes |  | 9,517 | (36,354) | 1,701
Gain on sale or disposal of property, plant and equipment |  | (782) | (122) | (3,981)
Excess tax benefits from share-based compensation |  | (828) | (191) | (984)
Equity loss (income) from unconsolidated entities |  | 1,170 | (14) | 2,990
Non-cash expense for amortization of debt issuance costs |  | 960 | 998 | 1,186
Non-cash expense from contingent consideration arrangements |  | 1,810 | 649 | 1,373
Non-cash expense for impairment of goodwill, identifiable intangible assets, and other long- lived assets |  | 0 | 232,750 | 0
Non-cash share-based compensation expense |  | 11,107 | 11,151 | 11,386
Distributions from unconsolidated entities |  | 44 | 0 | 1,074
Changes in operating assets and liabilities, excluding the effect of businesses acquired: |  |  |  |
(Increase) decrease in accounts receivable |  | (246,856) | 139,377 | (135,954)
(Increase) decrease in inventories |  | (116) | (12,709) | 4,345
(Increase) decrease in contract assets |  | (50,648) | 7,829 | (10,111)
Increase (decrease) in accounts payable |  | 54,849 | (9,022) | (33,971)
Increase in contract liabilities |  | 44,713 | 85,142 | 51,310
Increase in accrued payroll and benefits and other accrued expenses and liabilities |  | 46,573 | 113,835 | 49,551
Changes in other assets and liabilities, net |  | (56,874) | 30,164 | (4,070)
Net cash provided by operating activities |  | 318,817 | 806,366 | 355,700
Cash flows - investing activities: |  |  |  |
Payments for acquisitions of businesses, net of cash acquired |  | (118,239) | (50,357) | (300,980)
Proceeds from sale or disposal of property, plant and equipment |  | 2,754 | 3,463 | 5,487
Purchases of property, plant and equipment |  | (36,192) | (47,969) | (48,432)
Investments in and advances to unconsolidated entities |  | (1,595) | 0 | (2,252)
Distributions from unconsolidated entities |  | 196 | 0 | 838
Net cash used in investing activities |  | (153,076) | (94,863) | (345,339)
Cash flows - financing activities: |  |  |  |
Proceeds from revolving credit facility |  | 0 | 200,000 | 50,000
Repayments of revolving credit facility |  | 0 | (250,000) | (25,000)
Proceeds from long-term debt |  | 0 | 300,000 | 0
Repayments of long-term debt and debt issuance costs |  | (13,875) | (286,987) | (15,198)
Repayments of finance lease liabilities |  | (4,189) | (4,470) | (4,571)
Dividends paid to stockholders |  | (28,163) | (17,674) | (17,950)
Repurchases of common stock |  | (195,546) | (112,553) | 0
Taxes paid related to net share settlements of equity awards |  | (4,210) | (2,640) | (6,451)
Issuances of common stock under employee stock purchase plan |  | 7,328 | 6,557 | 6,090
Payments for contingent consideration arrangements |  | (6,758) | (4,070) | (5,917)
Distributions to noncontrolling interests |  | (43) | (70) | (250)
Net cash used in financing activities |  | (245,456) | (171,907) | (19,247)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash |  | (1,279) | 4,046 | 2,592
(Decrease) increase in cash, cash equivalents, and restricted cash |  | (80,994) | 543,642 | (6,294)
Cash, cash equivalents, and restricted cash at beginning of year (1) | [1] | 903,562 | 359,920 | 366,214
Cash, cash equivalents, and restricted cash at end of period (1) | [1] | $ 822,568 | $ 903,562 | $ 359,920
[1] | Includes $1.2 million, $0.7 million, $1.1 million, and $2.3 million of restricted cash classified as “Prepaid expenses and other” in the Consolidated Balance Sheets as of December 31, 2021, 2020, 2019, and 2018, respectively.

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