CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income (loss)	$ 8,899	$ (199,897)	$ 149,630
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	20,242	16,502	16,572
Amortization of intangibles	90,550	109,534	114,528
Operating lease expense	20,928	19,113	0
Asset impairment charges	97,973	390,980	101,319
Amortization of prepaid product discounts	29,235	24,055	22,941
Deferred income taxes	(5,244)	(34,950)	(11,356)
Employee share-based compensation expense	21,824	19,702	13,378
Loss (gain) on sales of businesses and customer lists	1,846	124	(15,641)
Other non-cash items, net	23,846	13,220	8,030
Changes in assets and liabilities, net of effect of acquisitions:
Trade accounts receivable	(2,709)	5,609	(16,795)
Inventories and supplies	(11,281)	4,843	(3,641)
Other current assets	15,344	(10,568)	(12,032)
Non-current assets	(25,793)	(5,360)	(6,913)
Accounts payable	(9,518)	5,130	4,366
Prepaid product discount payments	(33,613)	(25,637)	(23,814)
Other accrued and non-current liabilities	(24,976)	(45,747)	(1,257)
Net cash provided by operating activities	217,553	286,653	339,315
Cash flows from investing activities:
Purchases of capital assets	(62,638)	(66,595)	(62,238)
Payments for acquisitions, net of cash acquired	0	(8,251)	(191,903)	[1]
Purchases of customer lists	(11,082)	0	0
Proceeds from sale of facilities	9,713	0	0
Purchases of customer funds debt securities	(3,918)	(7,642)	(7,807)
Proceeds from customer funds debt securities	7,764	7,642	7,807
Other	4,068	2,449	1,082
Net cash used by investing activities	(56,093)	(72,397)	(253,059)
Cash flows from financing activities:
Proceeds from issuing long-term debt	309,000	241,500	1,280,000
Payments on long-term debt	(352,500)	(268,000)	(1,078,853)
Holdback payments for acquisitions and asset purchases	1,994	3,354	22,355
Net change in customer funds obligations	(168)	12,598	20,279
Proceeds from issuing shares under employee plans	3,747	3,198	7,523
Employee taxes paid for shares withheld	(2,956)	(3,935)	(7,977)
Payments for common shares repurchased	(14,000)	(118,547)	(200,000)
Cash dividends paid to shareholders	(50,746)	(51,742)	(56,669)
Other	(938)	(1,866)	(4,128)
Net cash used by financing activities	(110,555)	(190,148)	(62,180)
Effect of exchange rate change on cash, cash equivalents, restricted cash and restricted cash equivalents	3,693	5,444	(7,636)
Net change in cash, cash equivalents, restricted cash and restricted cash equivalents	54,598	29,552	16,440
Cash, cash equivalents, restricted cash and restricted cash equivalents, beginning of year	174,811	145,259	128,819
Cash, cash equivalents, restricted cash and restricted cash equivalents, end of year (Note 3)	$ 229,409	$ 174,811	$ 145,259

[1] Cash and cash equivalents acquired were $1,692 during 2018.