CAPITAL STOCK AND STOCK AWARD PLANS Summary of Performance Based Shares and Units by Year of Grant (Detail)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	2,024,204
Weighted average grant date fair value (1) | $ / shares	$ 52.56	[1]
Unvested performance shares and restricted stock units	1,272,041
2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	569,854
Weighted average grant date fair value (1) | $ / shares	$ 53.72	[1]
Unvested performance shares and restricted stock units	222,243
2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	331,780
Weighted average grant date fair value (1) | $ / shares	$ 48.65	[1]
Unvested performance shares and restricted stock units	209,022
2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	395,016
Weighted average grant date fair value (1) | $ / shares	$ 46.45	[1]
Unvested performance shares and restricted stock units	197,510
2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	337,154
Weighted average grant date fair value (1) | $ / shares	$ 60.56	[1]
Unvested performance shares and restricted stock units	252,866
2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares and stock units granted, net of forfeitures	390,400
Weighted average grant date fair value (1) | $ / shares	$ 51.88
Unvested performance shares and restricted stock units	390,400

[1] Amount shown is the weighted average grant date fair value of performance shares and restricted stock units granted, net of forfeitures.