Consolidated Balance Sheets - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 163,204,000	$ 158,205,000
Accounts receivable, net	391,587,000	357,310,000
Prepaids and other current assets	142,947,000	134,333,000
Income and other tax receivables	43,095,000	48,139,000
Total current assets	740,833,000	697,987,000
Long-term assets
Property, plant and equipment, net	167,293,000	168,404,000
Operating lease assets	99,731,000	90,180,000
Goodwill	810,929,000	739,481,000
Deferred tax assets, net	21,409,000	11,130,000
Other intangible assets, net	252,943,000	212,349,000
Other long-term assets	72,055,000	77,273,000
Total long-term assets	1,424,360,000	1,298,817,000
Total assets	2,165,193,000	1,996,804,000
Current liabilities
Accounts payable	98,241,000	70,415,000
Accrued employee compensation and benefits	148,432,000	156,324,000
Other accrued expenses	52,640,000	63,369,000
Income taxes payable	11,670,000	9,471,000
Deferred revenue	97,740,000	95,608,000
Current operating lease liabilities	43,721,000	44,460,000
Other current liabilities	8,920,000	4,749,000
Total current liabilities	461,364,000	444,396,000
Long-term liabilities
Line of credit	930,000,000	791,000,000
Deferred tax liabilities, net	4,685,000	5,335,000
Non-current Income Taxes Payable	13,313,000	17,486,000
Non-current operating lease liabilities	72,288,000	64,419,000
Other long-term liabilities	76,752,000	79,827,000
Total long-term liabilities	1,097,038,000	958,067,000
Total liabilities	1,558,402,000	1,402,463,000
Redeemable noncontrolling interest	55,752,000	56,316,000
Stockholders' equity
Preferred stock - $0.01 par value: 10,000,000 shares authorized; zero shares outstanding as of December 31, 2021 and December 31, 2020	0	0
Common stock - $0.01 par value; 150,000,000 shares authorized; 46,990,031 and 46,737,033 shares outstanding as of December 31, 2021 and December 31, 2020, respectively	471,000	470,000
Additional paid-in capital	364,251,000	361,135,000
Treasury stock at cost: 35,062,222 and 35,315,220 shares as of December 31, 2021 and December 31, 2020, respectively	(595,331,000)	(597,031,000)
Accumulated other comprehensive income (loss)	(125,450,000)	(98,426,000)
Retained earnings	891,185,000	856,065,000
Noncontrolling interest	15,913,000	15,812,000
Total stockholders' equity	551,039,000	538,025,000
Total liabilities and stockholders' equity	$ 2,165,193,000	$ 1,996,804,000