CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND RETAINED EARNINGS (Parenthetical)	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
CONSOLIDATED STATEMENTS OF Earnings and Retained Earnings
Stock dividends (as a percent)	3.00%	3.00%	3.00%	3.00%

The dividend rate applied to calculate stock dividends distributed.

No definition available.

Name:	tr_StockDividendsDistributedPercentOfEarnings
Namespace Prefix:	tr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration