LONG-TERM DEBT (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-Term Debt

(Millions)	September 30, 2014			December 31, 2013
WPS	$	1,175.1		$	1,175.1
PGL (1)	725.0			725.0
NSG	82.0			82.0
Integrys Energy Group (2)	974.8			1,074.8
Total	2,956.9			3,056.9
Unamortized discount on debt	(0.6		)	(0.7		)
Total debt	2,956.3			3,056.2
Less current portion	—			100.0
Total long-term debt	$	2,956.3		$	2,956.2

⁽¹⁾  PGL's $50.0 million of 2.125% Series VV Bonds were subject to a mandatory interest reset on July 1, 2014. The new interest rate on these bonds is 3.90%, and they are due in March 2030.

⁽²⁾  In June 2014, our $100.0 million of 7.27% Senior Notes matured, and the outstanding principal balance was repaid.