CONSOLIDATED STATEMENTS OF Earnings and Retained Earnings (Parenthetical)	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
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