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Profit Sharing/401(k) Plan	12 Months Ended
Profit Sharing/401(k) Plan	Dec. 31, 2018
Postemployment Benefits [Abstract]
Profit Sharing/401(k) Plan	PROFIT SHARING/401(k) PLAN The Company offers eligible domestic full-time employees participation in certain profit sharing/401(k) plans. The plans provide for a discretionary annual company contribution. In addition, employees may contribute a portion of their salary to the plans which is partially matched by the Company. The plans may be amended or terminated at any time. Total charges to income before income taxes for these plans were approximately $8.3 million, $7.4 million and $6.7 million in 2018, 2017 and 2016, respectively.